257460840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 384

約数和(自身を含む): 1069286400

約数和(自身を除く): 811825560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 29, 30, 35, 36, 39, 40, 42, 45, 52, 56, 58, 60, 63, 65, 70, 72, 78, 84, 87, 90, 91, 104, 105, 116, 117, 120, 126, 130, 140, 145, 156, 168, 174, 180, 182, 195, 203, 210, 232, 234, 252, 260, 261, 271, 273, 280, 290, 312, 315, 348, 360, 364, 377, 390, 406, 420, 435, 455, 468, 504, 520, 522, 542, 546, 580, 585, 609, 630, 696, 728, 754, 780, 812, 813, 819, 840, 870, 910, 936, 1015, 1044, 1084, 1092, 1131, 1160, 1170, 1218, 1260, 1305, 1355, 1365, 1508, 1560, 1624, 1626, 1638, 1740, 1820, 1827, 1885, 1897, 2030, 2088, 2168, 2184, 2262, 2340, 2436, 2439, 2520, 2610, 2639, 2710, 2730, 3016, 3045, 3252, 3276, 3393, 3480, 3523, 3640, 3654, 3770, 3794, 4060, 4065, 4095, 4524, 4680, 4872, 4878, 5220, 5278, 5420, 5460, 5655, 5691, 6090, 6504, 6552, 6786, 7046, 7308, 7540, 7588, 7859, 7917, 8120, 8130, 8190, 9048, 9135, 9485, 9756, 10440, 10556, 10569, 10840, 10920, 11310, 11382, 12180, 12195, 13195, 13572, 14092, 14616, 15080, 15176, 15718, 15834, 16260, 16380, 16965, 17073, 17615, 18270, 18970, 19512, 21112, 21138, 22620, 22764, 23577, 23751, 24360, 24390, 24661, 26390, 27144, 28184, 28455, 31436, 31668, 31707, 32520, 32760, 33930, 34146, 35230, 36540, 37940, 39295, 39585, 42276, 45240, 45528, 47154, 47502, 48780, 49322, 52780, 52845, 55013, 56910, 62872, 63336, 63414, 67860, 68292, 70460, 70731, 73080, 73983, 75880, 78590, 79170, 84552, 85365, 94308, 95004, 97560, 98644, 102167, 105560, 105690, 110026, 113820, 117885, 118755, 123305, 126828, 135720, 136584, 140920, 141462, 147966, 157180, 158340, 158535, 165039, 170730, 188616, 190008, 197288, 204334, 211380, 220052, 221949, 227640, 235770, 237510, 246610, 253656, 275065, 282924, 295932, 306501, 314360, 316680, 317070, 330078, 341460, 353655, 369915, 408668, 422760, 440104, 443898, 471540, 475020, 493220, 495117, 510835, 550130, 565848, 591864, 613002, 634140, 660156, 682920, 707310, 715169, 739830, 817336, 825195, 887796, 919503, 943080, 950040, 986440, 990234, 1021670, 1100260, 1109745, 1226004, 1268280, 1320312, 1414620, 1430338, 1479660, 1532505, 1650390, 1775592, 1839006, 1980468, 2043340, 2145507, 2200520, 2219490, 2452008, 2475585, 2829240, 2860676, 2959320, 3065010, 3300780, 3575845, 3678012, 3960936, 4086680, 4291014, 4438980, 4597515, 4951170, 5721352, 6130020, 6436521, 6601560, 7151690, 7356024, 8582028, 8877960, 9195030, 9902340, 10727535, 12260040, 12873042, 14303380, 17164056, 18390060, 19804680, 21455070, 25746084, 28606760, 32182605, 36780120, 42910140, 51492168, 64365210, 85820280, 128730420, 257460840]

約数ペア:

[(1, 257460840), (2, 128730420), (3, 85820280), (4, 64365210), (5, 51492168), (6, 42910140), (7, 36780120), (8, 32182605), (9, 28606760), (10, 25746084), (12, 21455070), (13, 19804680), (14, 18390060), (15, 17164056), (18, 14303380), (20, 12873042), (21, 12260040), (24, 10727535), (26, 9902340), (28, 9195030), (29, 8877960), (30, 8582028), (35, 7356024), (36, 7151690), (39, 6601560), (40, 6436521), (42, 6130020), (45, 5721352), (52, 4951170), (56, 4597515), (58, 4438980), (60, 4291014), (63, 4086680), (65, 3960936), (70, 3678012), (72, 3575845), (78, 3300780), (84, 3065010), (87, 2959320), (90, 2860676), (91, 2829240), (104, 2475585), (105, 2452008), (116, 2219490), (117, 2200520), (120, 2145507), (126, 2043340), (130, 1980468), (140, 1839006), (145, 1775592), (156, 1650390), (168, 1532505), (174, 1479660), (180, 1430338), (182, 1414620), (195, 1320312), (203, 1268280), (210, 1226004), (232, 1109745), (234, 1100260), (252, 1021670), (260, 990234), (261, 986440), (271, 950040), (273, 943080), (280, 919503), (290, 887796), (312, 825195), (315, 817336), (348, 739830), (360, 715169), (364, 707310), (377, 682920), (390, 660156), (406, 634140), (420, 613002), (435, 591864), (455, 565848), (468, 550130), (504, 510835), (520, 495117), (522, 493220), (542, 475020), (546, 471540), (580, 443898), (585, 440104), (609, 422760), (630, 408668), (696, 369915), (728, 353655), (754, 341460), (780, 330078), (812, 317070), (813, 316680), (819, 314360), (840, 306501), (870, 295932), (910, 282924), (936, 275065), (1015, 253656), (1044, 246610), (1084, 237510), (1092, 235770), (1131, 227640), (1160, 221949), (1170, 220052), (1218, 211380), (1260, 204334), (1305, 197288), (1355, 190008), (1365, 188616), (1508, 170730), (1560, 165039), (1624, 158535), (1626, 158340), (1638, 157180), (1740, 147966), (1820, 141462), (1827, 140920), (1885, 136584), (1897, 135720), (2030, 126828), (2088, 123305), (2168, 118755), (2184, 117885), (2262, 113820), (2340, 110026), (2436, 105690), (2439, 105560), (2520, 102167), (2610, 98644), (2639, 97560), (2710, 95004), (2730, 94308), (3016, 85365), (3045, 84552), (3252, 79170), (3276, 78590), (3393, 75880), (3480, 73983), (3523, 73080), (3640, 70731), (3654, 70460), (3770, 68292), (3794, 67860), (4060, 63414), (4065, 63336), (4095, 62872), (4524, 56910), (4680, 55013), (4872, 52845), (4878, 52780), (5220, 49322), (5278, 48780), (5420, 47502), (5460, 47154), (5655, 45528), (5691, 45240), (6090, 42276), (6504, 39585), (6552, 39295), (6786, 37940), (7046, 36540), (7308, 35230), (7540, 34146), (7588, 33930), (7859, 32760), (7917, 32520), (8120, 31707), (8130, 31668), (8190, 31436), (9048, 28455), (9135, 28184), (9485, 27144), (9756, 26390), (10440, 24661), (10556, 24390), (10569, 24360), (10840, 23751), (10920, 23577), (11310, 22764), (11382, 22620), (12180, 21138), (12195, 21112), (13195, 19512), (13572, 18970), (14092, 18270), (14616, 17615), (15080, 17073), (15176, 16965), (15718, 16380), (15834, 16260)]