18287880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 62294400

約数和(自身を除く): 44006520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 617, 741, 760, 780, 988, 1140, 1234, 1235, 1482, 1560, 1851, 1976, 2280, 2468, 2470, 2964, 3085, 3702, 3705, 4936, 4940, 5928, 6170, 7404, 7410, 8021, 9255, 9880, 11723, 12340, 14808, 14820, 16042, 18510, 23446, 24063, 24680, 29640, 32084, 35169, 37020, 40105, 46892, 48126, 58615, 64168, 70338, 74040, 80210, 93784, 96252, 117230, 120315, 140676, 152399, 160420, 175845, 192504, 234460, 240630, 281352, 304798, 320840, 351690, 457197, 468920, 481260, 609596, 703380, 761995, 914394, 962520, 1219192, 1406760, 1523990, 1828788, 2285985, 3047980, 3657576, 4571970, 6095960, 9143940, 18287880]

約数ペア:

[(1, 18287880), (2, 9143940), (3, 6095960), (4, 4571970), (5, 3657576), (6, 3047980), (8, 2285985), (10, 1828788), (12, 1523990), (13, 1406760), (15, 1219192), (19, 962520), (20, 914394), (24, 761995), (26, 703380), (30, 609596), (38, 481260), (39, 468920), (40, 457197), (52, 351690), (57, 320840), (60, 304798), (65, 281352), (76, 240630), (78, 234460), (95, 192504), (104, 175845), (114, 160420), (120, 152399), (130, 140676), (152, 120315), (156, 117230), (190, 96252), (195, 93784), (228, 80210), (247, 74040), (260, 70338), (285, 64168), (312, 58615), (380, 48126), (390, 46892), (456, 40105), (494, 37020), (520, 35169), (570, 32084), (617, 29640), (741, 24680), (760, 24063), (780, 23446), (988, 18510), (1140, 16042), (1234, 14820), (1235, 14808), (1482, 12340), (1560, 11723), (1851, 9880), (1976, 9255), (2280, 8021), (2468, 7410), (2470, 7404), (2964, 6170), (3085, 5928), (3702, 4940), (3705, 4936)]