661030920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2220

約数の個数: 192

約数和(自身を含む): 2374444800

約数和(自身を除く): 1713413880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 79, 88, 90, 99, 110, 120, 132, 158, 165, 180, 198, 220, 237, 264, 316, 330, 360, 395, 396, 440, 474, 495, 632, 660, 711, 790, 792, 869, 948, 990, 1185, 1320, 1422, 1580, 1738, 1896, 1980, 2113, 2370, 2607, 2844, 3160, 3476, 3555, 3960, 4226, 4345, 4740, 5214, 5688, 6339, 6952, 7110, 7821, 8452, 8690, 9480, 10428, 10565, 12678, 13035, 14220, 15642, 16904, 17380, 19017, 20856, 21130, 23243, 25356, 26070, 28440, 31284, 31695, 34760, 38034, 39105, 42260, 46486, 50712, 52140, 62568, 63390, 69729, 76068, 78210, 84520, 92972, 95085, 104280, 116215, 126780, 139458, 152136, 156420, 166927, 185944, 190170, 209187, 232430, 253560, 278916, 312840, 333854, 348645, 380340, 418374, 464860, 500781, 557832, 667708, 697290, 760680, 834635, 836748, 929720, 1001562, 1045935, 1335416, 1394580, 1502343, 1669270, 1673496, 1836197, 2003124, 2091870, 2503905, 2789160, 3004686, 3338540, 3672394, 4006248, 4183740, 5007810, 5508591, 6009372, 6677080, 7344788, 7511715, 8367480, 9180985, 10015620, 11017182, 12018744, 14689576, 15023430, 16525773, 18361970, 20031240, 22034364, 27542955, 30046860, 33051546, 36723940, 44068728, 55085910, 60093720, 66103092, 73447880, 82628865, 110171820, 132206184, 165257730, 220343640, 330515460, 661030920]

約数ペア:

[(1, 661030920), (2, 330515460), (3, 220343640), (4, 165257730), (5, 132206184), (6, 110171820), (8, 82628865), (9, 73447880), (10, 66103092), (11, 60093720), (12, 55085910), (15, 44068728), (18, 36723940), (20, 33051546), (22, 30046860), (24, 27542955), (30, 22034364), (33, 20031240), (36, 18361970), (40, 16525773), (44, 15023430), (45, 14689576), (55, 12018744), (60, 11017182), (66, 10015620), (72, 9180985), (79, 8367480), (88, 7511715), (90, 7344788), (99, 6677080), (110, 6009372), (120, 5508591), (132, 5007810), (158, 4183740), (165, 4006248), (180, 3672394), (198, 3338540), (220, 3004686), (237, 2789160), (264, 2503905), (316, 2091870), (330, 2003124), (360, 1836197), (395, 1673496), (396, 1669270), (440, 1502343), (474, 1394580), (495, 1335416), (632, 1045935), (660, 1001562), (711, 929720), (790, 836748), (792, 834635), (869, 760680), (948, 697290), (990, 667708), (1185, 557832), (1320, 500781), (1422, 464860), (1580, 418374), (1738, 380340), (1896, 348645), (1980, 333854), (2113, 312840), (2370, 278916), (2607, 253560), (2844, 232430), (3160, 209187), (3476, 190170), (3555, 185944), (3960, 166927), (4226, 156420), (4345, 152136), (4740, 139458), (5214, 126780), (5688, 116215), (6339, 104280), (6952, 95085), (7110, 92972), (7821, 84520), (8452, 78210), (8690, 76068), (9480, 69729), (10428, 63390), (10565, 62568), (12678, 52140), (13035, 50712), (14220, 46486), (15642, 42260), (16904, 39105), (17380, 38034), (19017, 34760), (20856, 31695), (21130, 31284), (23243, 28440), (25356, 26070)]