64502620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 174551328

約数和(自身を除く): 110048708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 83, 91, 98, 122, 130, 140, 166, 182, 196, 244, 245, 260, 305, 332, 364, 415, 427, 455, 490, 581, 610, 637, 793, 830, 854, 910, 980, 1079, 1162, 1220, 1274, 1586, 1660, 1708, 1820, 2135, 2158, 2324, 2548, 2905, 2989, 3172, 3185, 3965, 4067, 4270, 4316, 5063, 5395, 5551, 5810, 5978, 6370, 7553, 7930, 8134, 8540, 10126, 10790, 11102, 11620, 11956, 12740, 14945, 15106, 15860, 16268, 20252, 20335, 21580, 22204, 25315, 27755, 29890, 30212, 35441, 37765, 38857, 40670, 50630, 52871, 55510, 59780, 65819, 70882, 75530, 77714, 81340, 101260, 105742, 111020, 131638, 141764, 151060, 155428, 177205, 194285, 211484, 248087, 263276, 264355, 329095, 354410, 388570, 460733, 496174, 528710, 658190, 708820, 777140, 921466, 992348, 1057420, 1240435, 1316380, 1842932, 2303665, 2480870, 3225131, 4607330, 4961740, 6450262, 9214660, 12900524, 16125655, 32251310, 64502620]

約数ペア:

[(1, 64502620), (2, 32251310), (4, 16125655), (5, 12900524), (7, 9214660), (10, 6450262), (13, 4961740), (14, 4607330), (20, 3225131), (26, 2480870), (28, 2303665), (35, 1842932), (49, 1316380), (52, 1240435), (61, 1057420), (65, 992348), (70, 921466), (83, 777140), (91, 708820), (98, 658190), (122, 528710), (130, 496174), (140, 460733), (166, 388570), (182, 354410), (196, 329095), (244, 264355), (245, 263276), (260, 248087), (305, 211484), (332, 194285), (364, 177205), (415, 155428), (427, 151060), (455, 141764), (490, 131638), (581, 111020), (610, 105742), (637, 101260), (793, 81340), (830, 77714), (854, 75530), (910, 70882), (980, 65819), (1079, 59780), (1162, 55510), (1220, 52871), (1274, 50630), (1586, 40670), (1660, 38857), (1708, 37765), (1820, 35441), (2135, 30212), (2158, 29890), (2324, 27755), (2548, 25315), (2905, 22204), (2989, 21580), (3172, 20335), (3185, 20252), (3965, 16268), (4067, 15860), (4270, 15106), (4316, 14945), (5063, 12740), (5395, 11956), (5551, 11620), (5810, 11102), (5978, 10790), (6370, 10126), (7553, 8540), (7930, 8134)]