207705420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2399}}^1$

素因数の和:2464

約数の個数: 144

約数和(自身を含む): 697132800

約数和(自身を除く): 489427380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2220, 2340, 2399, 2405, 2886, 3330, 4329, 4798, 4810, 5772, 6660, 7197, 7215, 8658, 9596, 9620, 11995, 14394, 14430, 17316, 21591, 21645, 23990, 28788, 28860, 31187, 35985, 43182, 43290, 47980, 62374, 71970, 86364, 86580, 88763, 93561, 107955, 124748, 143940, 155935, 177526, 187122, 215910, 266289, 280683, 311870, 355052, 374244, 431820, 443815, 467805, 532578, 561366, 623740, 798867, 887630, 935610, 1065156, 1122732, 1153919, 1331445, 1403415, 1597734, 1775260, 1871220, 2307838, 2662890, 2806830, 3195468, 3461757, 3994335, 4615676, 5325780, 5613660, 5769595, 6923514, 7988670, 10385271, 11539190, 13847028, 15977340, 17308785, 20770542, 23078380, 34617570, 41541084, 51926355, 69235140, 103852710, 207705420]

約数ペア:

[(1, 207705420), (2, 103852710), (3, 69235140), (4, 51926355), (5, 41541084), (6, 34617570), (9, 23078380), (10, 20770542), (12, 17308785), (13, 15977340), (15, 13847028), (18, 11539190), (20, 10385271), (26, 7988670), (30, 6923514), (36, 5769595), (37, 5613660), (39, 5325780), (45, 4615676), (52, 3994335), (60, 3461757), (65, 3195468), (74, 2806830), (78, 2662890), (90, 2307838), (111, 1871220), (117, 1775260), (130, 1597734), (148, 1403415), (156, 1331445), (180, 1153919), (185, 1122732), (195, 1065156), (222, 935610), (234, 887630), (260, 798867), (333, 623740), (370, 561366), (390, 532578), (444, 467805), (468, 443815), (481, 431820), (555, 374244), (585, 355052), (666, 311870), (740, 280683), (780, 266289), (962, 215910), (1110, 187122), (1170, 177526), (1332, 155935), (1443, 143940), (1665, 124748), (1924, 107955), (2220, 93561), (2340, 88763), (2399, 86580), (2405, 86364), (2886, 71970), (3330, 62374), (4329, 47980), (4798, 43290), (4810, 43182), (5772, 35985), (6660, 31187), (7197, 28860), (7215, 28788), (8658, 23990), (9596, 21645), (9620, 21591), (11995, 17316), (14394, 14430)]