72908280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 251596800

約数和(自身を除く): 178688520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 47, 60, 62, 72, 90, 93, 94, 120, 124, 139, 141, 155, 180, 186, 188, 235, 248, 278, 279, 282, 310, 360, 372, 376, 417, 423, 465, 470, 556, 558, 564, 620, 695, 705, 744, 834, 846, 930, 940, 1112, 1116, 1128, 1240, 1251, 1390, 1395, 1410, 1457, 1668, 1692, 1860, 1880, 2085, 2115, 2232, 2502, 2780, 2790, 2820, 2914, 3336, 3384, 3720, 4170, 4230, 4309, 4371, 5004, 5560, 5580, 5640, 5828, 6255, 6533, 7285, 8340, 8460, 8618, 8742, 10008, 11160, 11656, 12510, 12927, 13066, 13113, 14570, 16680, 16920, 17236, 17484, 19599, 21545, 21855, 25020, 25854, 26132, 26226, 29140, 32665, 34472, 34968, 38781, 39198, 43090, 43710, 50040, 51708, 52264, 52452, 58280, 58797, 64635, 65330, 65565, 77562, 78396, 86180, 87420, 97995, 103416, 104904, 117594, 129270, 130660, 131130, 155124, 156792, 172360, 174840, 193905, 195990, 202523, 235188, 258540, 261320, 262260, 293985, 310248, 387810, 391980, 405046, 470376, 517080, 524520, 587970, 607569, 775620, 783960, 810092, 1012615, 1175940, 1215138, 1551240, 1620184, 1822707, 2025230, 2351880, 2430276, 3037845, 3645414, 4050460, 4860552, 6075690, 7290828, 8100920, 9113535, 12151380, 14581656, 18227070, 24302760, 36454140, 72908280]

約数ペア:

[(1, 72908280), (2, 36454140), (3, 24302760), (4, 18227070), (5, 14581656), (6, 12151380), (8, 9113535), (9, 8100920), (10, 7290828), (12, 6075690), (15, 4860552), (18, 4050460), (20, 3645414), (24, 3037845), (30, 2430276), (31, 2351880), (36, 2025230), (40, 1822707), (45, 1620184), (47, 1551240), (60, 1215138), (62, 1175940), (72, 1012615), (90, 810092), (93, 783960), (94, 775620), (120, 607569), (124, 587970), (139, 524520), (141, 517080), (155, 470376), (180, 405046), (186, 391980), (188, 387810), (235, 310248), (248, 293985), (278, 262260), (279, 261320), (282, 258540), (310, 235188), (360, 202523), (372, 195990), (376, 193905), (417, 174840), (423, 172360), (465, 156792), (470, 155124), (556, 131130), (558, 130660), (564, 129270), (620, 117594), (695, 104904), (705, 103416), (744, 97995), (834, 87420), (846, 86180), (930, 78396), (940, 77562), (1112, 65565), (1116, 65330), (1128, 64635), (1240, 58797), (1251, 58280), (1390, 52452), (1395, 52264), (1410, 51708), (1457, 50040), (1668, 43710), (1692, 43090), (1860, 39198), (1880, 38781), (2085, 34968), (2115, 34472), (2232, 32665), (2502, 29140), (2780, 26226), (2790, 26132), (2820, 25854), (2914, 25020), (3336, 21855), (3384, 21545), (3720, 19599), (4170, 17484), (4230, 17236), (4309, 16920), (4371, 16680), (5004, 14570), (5560, 13113), (5580, 13066), (5640, 12927), (5828, 12510), (6255, 11656), (6533, 11160), (7285, 10008), (8340, 8742), (8460, 8618)]