64288980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 234161928

約数和(自身を除く): 169872948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 197, 210, 222, 245, 252, 259, 294, 315, 333, 370, 394, 420, 441, 444, 490, 518, 555, 588, 591, 630, 666, 735, 740, 777, 788, 882, 980, 985, 1036, 1110, 1182, 1260, 1295, 1332, 1379, 1470, 1554, 1665, 1764, 1773, 1813, 1970, 2205, 2220, 2331, 2364, 2590, 2758, 2940, 2955, 3108, 3330, 3546, 3626, 3885, 3940, 4137, 4410, 4662, 5180, 5439, 5516, 5910, 6660, 6895, 7092, 7252, 7289, 7770, 8274, 8820, 8865, 9065, 9324, 9653, 10878, 11655, 11820, 12411, 13790, 14578, 15540, 16317, 16548, 17730, 18130, 19306, 20685, 21756, 21867, 23310, 24822, 27195, 27580, 28959, 29156, 32634, 35460, 36260, 36445, 38612, 41370, 43734, 46620, 48265, 49644, 51023, 54390, 57918, 62055, 65268, 65601, 72890, 81585, 82740, 86877, 87468, 96530, 102046, 108780, 109335, 115836, 124110, 131202, 144795, 145780, 153069, 163170, 173754, 193060, 204092, 218670, 248220, 255115, 262404, 289590, 306138, 326340, 328005, 347508, 357161, 434385, 437340, 459207, 510230, 579180, 612276, 656010, 714322, 765345, 868770, 918414, 1020460, 1071483, 1312020, 1428644, 1530690, 1737540, 1785805, 1836828, 2142966, 2296035, 3061380, 3214449, 3571610, 4285932, 4592070, 5357415, 6428898, 7143220, 9184140, 10714830, 12857796, 16072245, 21429660, 32144490, 64288980]

約数ペア:

[(1, 64288980), (2, 32144490), (3, 21429660), (4, 16072245), (5, 12857796), (6, 10714830), (7, 9184140), (9, 7143220), (10, 6428898), (12, 5357415), (14, 4592070), (15, 4285932), (18, 3571610), (20, 3214449), (21, 3061380), (28, 2296035), (30, 2142966), (35, 1836828), (36, 1785805), (37, 1737540), (42, 1530690), (45, 1428644), (49, 1312020), (60, 1071483), (63, 1020460), (70, 918414), (74, 868770), (84, 765345), (90, 714322), (98, 656010), (105, 612276), (111, 579180), (126, 510230), (140, 459207), (147, 437340), (148, 434385), (180, 357161), (185, 347508), (196, 328005), (197, 326340), (210, 306138), (222, 289590), (245, 262404), (252, 255115), (259, 248220), (294, 218670), (315, 204092), (333, 193060), (370, 173754), (394, 163170), (420, 153069), (441, 145780), (444, 144795), (490, 131202), (518, 124110), (555, 115836), (588, 109335), (591, 108780), (630, 102046), (666, 96530), (735, 87468), (740, 86877), (777, 82740), (788, 81585), (882, 72890), (980, 65601), (985, 65268), (1036, 62055), (1110, 57918), (1182, 54390), (1260, 51023), (1295, 49644), (1332, 48265), (1379, 46620), (1470, 43734), (1554, 41370), (1665, 38612), (1764, 36445), (1773, 36260), (1813, 35460), (1970, 32634), (2205, 29156), (2220, 28959), (2331, 27580), (2364, 27195), (2590, 24822), (2758, 23310), (2940, 21867), (2955, 21756), (3108, 20685), (3330, 19306), (3546, 18130), (3626, 17730), (3885, 16548), (3940, 16317), (4137, 15540), (4410, 14578), (4662, 13790), (5180, 12411), (5439, 11820), (5516, 11655), (5910, 10878), (6660, 9653), (6895, 9324), (7092, 9065), (7252, 8865), (7289, 8820), (7770, 8274)]