641809120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1688

約数の個数: 96

約数和(自身を含む): 1585059840

約数和(自身を除く): 943250720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 83, 124, 155, 160, 166, 248, 310, 332, 415, 496, 620, 664, 830, 992, 1240, 1328, 1559, 1660, 2480, 2573, 2656, 3118, 3320, 4960, 5146, 6236, 6640, 7795, 10292, 12472, 12865, 13280, 15590, 20584, 24944, 25730, 31180, 41168, 48329, 49888, 51460, 62360, 82336, 96658, 102920, 124720, 129397, 193316, 205840, 241645, 249440, 258794, 386632, 411680, 483290, 517588, 646985, 773264, 966580, 1035176, 1293970, 1546528, 1933160, 2070352, 2587940, 3866320, 4011307, 4140704, 5175880, 7732640, 8022614, 10351760, 16045228, 20056535, 20703520, 32090456, 40113070, 64180912, 80226140, 128361824, 160452280, 320904560, 641809120]

約数ペア:

[(1, 641809120), (2, 320904560), (4, 160452280), (5, 128361824), (8, 80226140), (10, 64180912), (16, 40113070), (20, 32090456), (31, 20703520), (32, 20056535), (40, 16045228), (62, 10351760), (80, 8022614), (83, 7732640), (124, 5175880), (155, 4140704), (160, 4011307), (166, 3866320), (248, 2587940), (310, 2070352), (332, 1933160), (415, 1546528), (496, 1293970), (620, 1035176), (664, 966580), (830, 773264), (992, 646985), (1240, 517588), (1328, 483290), (1559, 411680), (1660, 386632), (2480, 258794), (2573, 249440), (2656, 241645), (3118, 205840), (3320, 193316), (4960, 129397), (5146, 124720), (6236, 102920), (6640, 96658), (7795, 82336), (10292, 62360), (12472, 51460), (12865, 49888), (13280, 48329), (15590, 41168), (20584, 31180), (24944, 25730)]