74781720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:107

約数の個数: 288

約数和(自身を含む): 285339600

約数和(自身を除く): 210557880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 29, 30, 36, 38, 39, 40, 45, 52, 57, 58, 60, 65, 72, 76, 78, 87, 90, 95, 104, 114, 116, 117, 120, 130, 145, 152, 156, 171, 174, 180, 190, 195, 228, 232, 234, 247, 260, 261, 285, 290, 312, 342, 348, 360, 377, 380, 390, 435, 456, 468, 494, 520, 522, 551, 570, 580, 585, 684, 696, 741, 754, 760, 780, 841, 855, 870, 936, 988, 1044, 1102, 1131, 1140, 1160, 1170, 1235, 1305, 1368, 1482, 1508, 1560, 1653, 1682, 1710, 1740, 1885, 1976, 2088, 2204, 2223, 2262, 2280, 2340, 2470, 2523, 2610, 2755, 2964, 3016, 3306, 3364, 3393, 3420, 3480, 3705, 3770, 4205, 4408, 4446, 4524, 4680, 4940, 4959, 5046, 5220, 5510, 5655, 5928, 6612, 6728, 6786, 6840, 7163, 7410, 7540, 7569, 8265, 8410, 8892, 9048, 9880, 9918, 10092, 10440, 10933, 11020, 11115, 11310, 12615, 13224, 13572, 14326, 14820, 15080, 15138, 15979, 16530, 16820, 16965, 17784, 19836, 20184, 21489, 21866, 22040, 22230, 22620, 24795, 25230, 27144, 28652, 29640, 30276, 31958, 32799, 33060, 33640, 33930, 35815, 37845, 39672, 42978, 43732, 44460, 45240, 47937, 49590, 50460, 54665, 57304, 60552, 63916, 64467, 65598, 66120, 67860, 71630, 75690, 79895, 85956, 87464, 88920, 95874, 98397, 99180, 100920, 107445, 109330, 127832, 128934, 131196, 135720, 143260, 143811, 151380, 159790, 163995, 171912, 191748, 196794, 198360, 207727, 214890, 218660, 239685, 257868, 262392, 286520, 287622, 302760, 319580, 322335, 327990, 383496, 393588, 415454, 429780, 437320, 479370, 491985, 515736, 575244, 623181, 639160, 644670, 655980, 719055, 787176, 830908, 859560, 958740, 983970, 1038635, 1150488, 1246362, 1289340, 1311960, 1438110, 1661816, 1869543, 1917480, 1967940, 2077270, 2492724, 2578680, 2876220, 3115905, 3739086, 3935880, 4154540, 4985448, 5752440, 6231810, 7478172, 8309080, 9347715, 12463620, 14956344, 18695430, 24927240, 37390860, 74781720]

約数ペア:

[(1, 74781720), (2, 37390860), (3, 24927240), (4, 18695430), (5, 14956344), (6, 12463620), (8, 9347715), (9, 8309080), (10, 7478172), (12, 6231810), (13, 5752440), (15, 4985448), (18, 4154540), (19, 3935880), (20, 3739086), (24, 3115905), (26, 2876220), (29, 2578680), (30, 2492724), (36, 2077270), (38, 1967940), (39, 1917480), (40, 1869543), (45, 1661816), (52, 1438110), (57, 1311960), (58, 1289340), (60, 1246362), (65, 1150488), (72, 1038635), (76, 983970), (78, 958740), (87, 859560), (90, 830908), (95, 787176), (104, 719055), (114, 655980), (116, 644670), (117, 639160), (120, 623181), (130, 575244), (145, 515736), (152, 491985), (156, 479370), (171, 437320), (174, 429780), (180, 415454), (190, 393588), (195, 383496), (228, 327990), (232, 322335), (234, 319580), (247, 302760), (260, 287622), (261, 286520), (285, 262392), (290, 257868), (312, 239685), (342, 218660), (348, 214890), (360, 207727), (377, 198360), (380, 196794), (390, 191748), (435, 171912), (456, 163995), (468, 159790), (494, 151380), (520, 143811), (522, 143260), (551, 135720), (570, 131196), (580, 128934), (585, 127832), (684, 109330), (696, 107445), (741, 100920), (754, 99180), (760, 98397), (780, 95874), (841, 88920), (855, 87464), (870, 85956), (936, 79895), (988, 75690), (1044, 71630), (1102, 67860), (1131, 66120), (1140, 65598), (1160, 64467), (1170, 63916), (1235, 60552), (1305, 57304), (1368, 54665), (1482, 50460), (1508, 49590), (1560, 47937), (1653, 45240), (1682, 44460), (1710, 43732), (1740, 42978), (1885, 39672), (1976, 37845), (2088, 35815), (2204, 33930), (2223, 33640), (2262, 33060), (2280, 32799), (2340, 31958), (2470, 30276), (2523, 29640), (2610, 28652), (2755, 27144), (2964, 25230), (3016, 24795), (3306, 22620), (3364, 22230), (3393, 22040), (3420, 21866), (3480, 21489), (3705, 20184), (3770, 19836), (4205, 17784), (4408, 16965), (4446, 16820), (4524, 16530), (4680, 15979), (4940, 15138), (4959, 15080), (5046, 14820), (5220, 14326), (5510, 13572), (5655, 13224), (5928, 12615), (6612, 11310), (6728, 11115), (6786, 11020), (6840, 10933), (7163, 10440), (7410, 10092), (7540, 9918), (7569, 9880), (8265, 9048), (8410, 8892)]