81114660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 272668032

約数和(自身を除く): 191553372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 577, 639, 660, 710, 781, 852, 990, 1065, 1154, 1278, 1420, 1562, 1731, 1980, 2130, 2308, 2343, 2556, 2885, 3124, 3195, 3462, 3905, 4260, 4686, 5193, 5770, 6347, 6390, 6924, 7029, 7810, 8655, 9372, 10386, 11540, 11715, 12694, 12780, 14058, 15620, 17310, 19041, 20772, 23430, 25388, 25965, 28116, 31735, 34620, 35145, 38082, 40967, 46860, 51930, 57123, 63470, 70290, 76164, 81934, 95205, 103860, 114246, 122901, 126940, 140580, 163868, 190410, 204835, 228492, 245802, 285615, 368703, 380820, 409670, 450637, 491604, 571230, 614505, 737406, 819340, 901274, 1142460, 1229010, 1351911, 1474812, 1802548, 1843515, 2253185, 2458020, 2703822, 3687030, 4055733, 4506370, 5407644, 6759555, 7374060, 8111466, 9012740, 13519110, 16222932, 20278665, 27038220, 40557330, 81114660]

約数ペア:

[(1, 81114660), (2, 40557330), (3, 27038220), (4, 20278665), (5, 16222932), (6, 13519110), (9, 9012740), (10, 8111466), (11, 7374060), (12, 6759555), (15, 5407644), (18, 4506370), (20, 4055733), (22, 3687030), (30, 2703822), (33, 2458020), (36, 2253185), (44, 1843515), (45, 1802548), (55, 1474812), (60, 1351911), (66, 1229010), (71, 1142460), (90, 901274), (99, 819340), (110, 737406), (132, 614505), (142, 571230), (165, 491604), (180, 450637), (198, 409670), (213, 380820), (220, 368703), (284, 285615), (330, 245802), (355, 228492), (396, 204835), (426, 190410), (495, 163868), (577, 140580), (639, 126940), (660, 122901), (710, 114246), (781, 103860), (852, 95205), (990, 81934), (1065, 76164), (1154, 70290), (1278, 63470), (1420, 57123), (1562, 51930), (1731, 46860), (1980, 40967), (2130, 38082), (2308, 35145), (2343, 34620), (2556, 31735), (2885, 28116), (3124, 25965), (3195, 25388), (3462, 23430), (3905, 20772), (4260, 19041), (4686, 17310), (5193, 15620), (5770, 14058), (6347, 12780), (6390, 12694), (6924, 11715), (7029, 11540), (7810, 10386), (8655, 9372)]