661217600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13331}}^1$

素因数の和:13384

約数の個数: 84

約数和(自身を含む): 1679618688

約数和(自身を除く): 1018401088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 9920, 12400, 13331, 24800, 26662, 49600, 53324, 66655, 106648, 133310, 213296, 266620, 333275, 413261, 426592, 533240, 666550, 826522, 853184, 1066480, 1333100, 1653044, 2066305, 2132960, 2666200, 3306088, 4132610, 4265920, 5332400, 6612176, 8265220, 10331525, 10664800, 13224352, 16530440, 20663050, 21329600, 26448704, 33060880, 41326100, 66121760, 82652200, 132243520, 165304400, 330608800, 661217600]

約数ペア:

[(1, 661217600), (2, 330608800), (4, 165304400), (5, 132243520), (8, 82652200), (10, 66121760), (16, 41326100), (20, 33060880), (25, 26448704), (31, 21329600), (32, 20663050), (40, 16530440), (50, 13224352), (62, 10664800), (64, 10331525), (80, 8265220), (100, 6612176), (124, 5332400), (155, 4265920), (160, 4132610), (200, 3306088), (248, 2666200), (310, 2132960), (320, 2066305), (400, 1653044), (496, 1333100), (620, 1066480), (775, 853184), (800, 826522), (992, 666550), (1240, 533240), (1550, 426592), (1600, 413261), (1984, 333275), (2480, 266620), (3100, 213296), (4960, 133310), (6200, 106648), (9920, 66655), (12400, 53324), (13331, 49600), (24800, 26662)]