489281520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:600

約数の個数: 320

約数和(自身を含む): 1913877504

約数和(自身を除く): 1424595984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 43, 48, 52, 56, 60, 65, 70, 78, 80, 84, 86, 91, 104, 105, 112, 120, 129, 130, 140, 156, 168, 172, 182, 195, 208, 210, 215, 240, 258, 260, 273, 280, 301, 312, 336, 344, 364, 390, 420, 430, 455, 516, 520, 521, 546, 559, 560, 602, 624, 645, 688, 728, 780, 840, 860, 903, 910, 1032, 1040, 1042, 1092, 1118, 1204, 1290, 1365, 1456, 1505, 1560, 1563, 1677, 1680, 1720, 1806, 1820, 2064, 2084, 2184, 2236, 2408, 2580, 2605, 2730, 2795, 3010, 3120, 3126, 3354, 3440, 3612, 3640, 3647, 3913, 4168, 4368, 4472, 4515, 4816, 5160, 5210, 5460, 5590, 6020, 6252, 6708, 6773, 7224, 7280, 7294, 7815, 7826, 8336, 8385, 8944, 9030, 10320, 10420, 10920, 10941, 11180, 11739, 12040, 12504, 13416, 13546, 14448, 14588, 15630, 15652, 16770, 18060, 18235, 19565, 20319, 20840, 21840, 21882, 22360, 22403, 23478, 24080, 25008, 26832, 27092, 29176, 31260, 31304, 33540, 33865, 36120, 36470, 39130, 40638, 41680, 43764, 44720, 44806, 46956, 47411, 54184, 54705, 58352, 58695, 62520, 62608, 67080, 67209, 67730, 72240, 72940, 78260, 81276, 87528, 89612, 93912, 94822, 101595, 108368, 109410, 112015, 117390, 125040, 134160, 134418, 135460, 142233, 145880, 156520, 156821, 162552, 175056, 179224, 187824, 189644, 203190, 218820, 224030, 234780, 237055, 268836, 270920, 284466, 291239, 291760, 313040, 313642, 325104, 336045, 358448, 379288, 406380, 437640, 448060, 469560, 470463, 474110, 537672, 541840, 568932, 582478, 627284, 672090, 711165, 758576, 784105, 812760, 873717, 875280, 896120, 939120, 940926, 948220, 1075344, 1137864, 1164956, 1254568, 1344180, 1422330, 1456195, 1568210, 1625520, 1747434, 1792240, 1881852, 1896440, 2038673, 2275728, 2329912, 2352315, 2509136, 2688360, 2844660, 2912390, 3136420, 3494868, 3763704, 3792880, 4077346, 4368585, 4659824, 4704630, 5376720, 5689320, 5824780, 6116019, 6272840, 6989736, 7527408, 8154692, 8737170, 9409260, 10193365, 11378640, 11649560, 12232038, 12545680, 13979472, 16309384, 17474340, 18818520, 20386730, 23299120, 24464076, 30580095, 32618768, 34948680, 37637040, 40773460, 48928152, 61160190, 69897360, 81546920, 97856304, 122320380, 163093840, 244640760, 489281520]

約数ペア:

[(1, 489281520), (2, 244640760), (3, 163093840), (4, 122320380), (5, 97856304), (6, 81546920), (7, 69897360), (8, 61160190), (10, 48928152), (12, 40773460), (13, 37637040), (14, 34948680), (15, 32618768), (16, 30580095), (20, 24464076), (21, 23299120), (24, 20386730), (26, 18818520), (28, 17474340), (30, 16309384), (35, 13979472), (39, 12545680), (40, 12232038), (42, 11649560), (43, 11378640), (48, 10193365), (52, 9409260), (56, 8737170), (60, 8154692), (65, 7527408), (70, 6989736), (78, 6272840), (80, 6116019), (84, 5824780), (86, 5689320), (91, 5376720), (104, 4704630), (105, 4659824), (112, 4368585), (120, 4077346), (129, 3792880), (130, 3763704), (140, 3494868), (156, 3136420), (168, 2912390), (172, 2844660), (182, 2688360), (195, 2509136), (208, 2352315), (210, 2329912), (215, 2275728), (240, 2038673), (258, 1896440), (260, 1881852), (273, 1792240), (280, 1747434), (301, 1625520), (312, 1568210), (336, 1456195), (344, 1422330), (364, 1344180), (390, 1254568), (420, 1164956), (430, 1137864), (455, 1075344), (516, 948220), (520, 940926), (521, 939120), (546, 896120), (559, 875280), (560, 873717), (602, 812760), (624, 784105), (645, 758576), (688, 711165), (728, 672090), (780, 627284), (840, 582478), (860, 568932), (903, 541840), (910, 537672), (1032, 474110), (1040, 470463), (1042, 469560), (1092, 448060), (1118, 437640), (1204, 406380), (1290, 379288), (1365, 358448), (1456, 336045), (1505, 325104), (1560, 313642), (1563, 313040), (1677, 291760), (1680, 291239), (1720, 284466), (1806, 270920), (1820, 268836), (2064, 237055), (2084, 234780), (2184, 224030), (2236, 218820), (2408, 203190), (2580, 189644), (2605, 187824), (2730, 179224), (2795, 175056), (3010, 162552), (3120, 156821), (3126, 156520), (3354, 145880), (3440, 142233), (3612, 135460), (3640, 134418), (3647, 134160), (3913, 125040), (4168, 117390), (4368, 112015), (4472, 109410), (4515, 108368), (4816, 101595), (5160, 94822), (5210, 93912), (5460, 89612), (5590, 87528), (6020, 81276), (6252, 78260), (6708, 72940), (6773, 72240), (7224, 67730), (7280, 67209), (7294, 67080), (7815, 62608), (7826, 62520), (8336, 58695), (8385, 58352), (8944, 54705), (9030, 54184), (10320, 47411), (10420, 46956), (10920, 44806), (10941, 44720), (11180, 43764), (11739, 41680), (12040, 40638), (12504, 39130), (13416, 36470), (13546, 36120), (14448, 33865), (14588, 33540), (15630, 31304), (15652, 31260), (16770, 29176), (18060, 27092), (18235, 26832), (19565, 25008), (20319, 24080), (20840, 23478), (21840, 22403), (21882, 22360)]