123682860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 216

約数和(自身を含む): 449401680

約数和(自身を除く): 325718820

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, 210, 222, 245, 252, 259, 294, 315, 333, 370, 379, 420, 441, 444, 490, 518, 555, 588, 630, 666, 735, 740, 758, 777, 882, 980, 1036, 1110, 1137, 1260, 1295, 1332, 1470, 1516, 1554, 1665, 1764, 1813, 1895, 2205, 2220, 2274, 2331, 2590, 2653, 2940, 3108, 3330, 3411, 3626, 3790, 3885, 4410, 4548, 4662, 5180, 5306, 5439, 5685, 6660, 6822, 7252, 7580, 7770, 7959, 8820, 9065, 9324, 10612, 10878, 11370, 11655, 13265, 13644, 14023, 15540, 15918, 16317, 17055, 18130, 18571, 21756, 22740, 23310, 23877, 26530, 27195, 28046, 31836, 32634, 34110, 36260, 37142, 39795, 42069, 46620, 47754, 53060, 54390, 55713, 56092, 65268, 68220, 70115, 74284, 79590, 81585, 84138, 92855, 95508, 98161, 108780, 111426, 119385, 126207, 140230, 159180, 163170, 167139, 168276, 185710, 196322, 210345, 222852, 238770, 252414, 278565, 280460, 294483, 326340, 334278, 371420, 392644, 420690, 477540, 490805, 504828, 557130, 588966, 631035, 668556, 687127, 835695, 841380, 883449, 981610, 1114260, 1177932, 1262070, 1374254, 1472415, 1671390, 1766898, 1963220, 2061381, 2524140, 2748508, 2944830, 3342780, 3435635, 3533796, 4122762, 4417245, 5889660, 6184143, 6871270, 8245524, 8834490, 10306905, 12368286, 13742540, 17668980, 20613810, 24736572, 30920715, 41227620, 61841430, 123682860]

約数ペア:

[(1, 123682860), (2, 61841430), (3, 41227620), (4, 30920715), (5, 24736572), (6, 20613810), (7, 17668980), (9, 13742540), (10, 12368286), (12, 10306905), (14, 8834490), (15, 8245524), (18, 6871270), (20, 6184143), (21, 5889660), (28, 4417245), (30, 4122762), (35, 3533796), (36, 3435635), (37, 3342780), (42, 2944830), (45, 2748508), (49, 2524140), (60, 2061381), (63, 1963220), (70, 1766898), (74, 1671390), (84, 1472415), (90, 1374254), (98, 1262070), (105, 1177932), (111, 1114260), (126, 981610), (140, 883449), (147, 841380), (148, 835695), (180, 687127), (185, 668556), (196, 631035), (210, 588966), (222, 557130), (245, 504828), (252, 490805), (259, 477540), (294, 420690), (315, 392644), (333, 371420), (370, 334278), (379, 326340), (420, 294483), (441, 280460), (444, 278565), (490, 252414), (518, 238770), (555, 222852), (588, 210345), (630, 196322), (666, 185710), (735, 168276), (740, 167139), (758, 163170), (777, 159180), (882, 140230), (980, 126207), (1036, 119385), (1110, 111426), (1137, 108780), (1260, 98161), (1295, 95508), (1332, 92855), (1470, 84138), (1516, 81585), (1554, 79590), (1665, 74284), (1764, 70115), (1813, 68220), (1895, 65268), (2205, 56092), (2220, 55713), (2274, 54390), (2331, 53060), (2590, 47754), (2653, 46620), (2940, 42069), (3108, 39795), (3330, 37142), (3411, 36260), (3626, 34110), (3790, 32634), (3885, 31836), (4410, 28046), (4548, 27195), (4662, 26530), (5180, 23877), (5306, 23310), (5439, 22740), (5685, 21756), (6660, 18571), (6822, 18130), (7252, 17055), (7580, 16317), (7770, 15918), (7959, 15540), (8820, 14023), (9065, 13644), (9324, 13265), (10612, 11655), (10878, 11370)]