64877580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 206388000

約数和(自身を除く): 141510420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 59, 60, 82, 90, 118, 123, 149, 164, 177, 180, 205, 236, 246, 295, 298, 354, 369, 410, 447, 492, 531, 590, 596, 615, 708, 738, 745, 820, 885, 894, 1062, 1180, 1230, 1341, 1476, 1490, 1770, 1788, 1845, 2124, 2235, 2419, 2460, 2655, 2682, 2980, 3540, 3690, 4470, 4838, 5310, 5364, 6109, 6705, 7257, 7380, 8791, 8940, 9676, 10620, 12095, 12218, 13410, 14514, 17582, 18327, 21771, 24190, 24436, 26373, 26820, 29028, 30545, 35164, 36285, 36654, 43542, 43955, 48380, 52746, 54981, 61090, 72570, 73308, 79119, 87084, 87910, 91635, 105492, 108855, 109962, 122180, 131865, 145140, 158238, 175820, 183270, 217710, 219924, 263730, 274905, 316476, 360431, 366540, 395595, 435420, 527460, 549810, 720862, 791190, 1081293, 1099620, 1441724, 1582380, 1802155, 2162586, 3243879, 3604310, 4325172, 5406465, 6487758, 7208620, 10812930, 12975516, 16219395, 21625860, 32438790, 64877580]

約数ペア:

[(1, 64877580), (2, 32438790), (3, 21625860), (4, 16219395), (5, 12975516), (6, 10812930), (9, 7208620), (10, 6487758), (12, 5406465), (15, 4325172), (18, 3604310), (20, 3243879), (30, 2162586), (36, 1802155), (41, 1582380), (45, 1441724), (59, 1099620), (60, 1081293), (82, 791190), (90, 720862), (118, 549810), (123, 527460), (149, 435420), (164, 395595), (177, 366540), (180, 360431), (205, 316476), (236, 274905), (246, 263730), (295, 219924), (298, 217710), (354, 183270), (369, 175820), (410, 158238), (447, 145140), (492, 131865), (531, 122180), (590, 109962), (596, 108855), (615, 105492), (708, 91635), (738, 87910), (745, 87084), (820, 79119), (885, 73308), (894, 72570), (1062, 61090), (1180, 54981), (1230, 52746), (1341, 48380), (1476, 43955), (1490, 43542), (1770, 36654), (1788, 36285), (1845, 35164), (2124, 30545), (2235, 29028), (2419, 26820), (2460, 26373), (2655, 24436), (2682, 24190), (2980, 21771), (3540, 18327), (3690, 17582), (4470, 14514), (4838, 13410), (5310, 12218), (5364, 12095), (6109, 10620), (6705, 9676), (7257, 8940), (7380, 8791)]