561341520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12781}}^1$

素因数の和:12861

約数の個数: 120

約数和(自身を含む): 1916226312

約数和(自身を除く): 1354884792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 12781, 14640, 21960, 25562, 38343, 43920, 51124, 63905, 76686, 102248, 115029, 127810, 153372, 191715, 204496, 230058, 255620, 306744, 383430, 460116, 511240, 575145, 613488, 766860, 779641, 920232, 1022480, 1150290, 1533720, 1559282, 1840464, 2300580, 2338923, 3067440, 3118564, 3898205, 4601160, 4677846, 6237128, 7016769, 7796410, 9202320, 9355692, 11694615, 12474256, 14033538, 15592820, 18711384, 23389230, 28067076, 31185640, 35083845, 37422768, 46778460, 56134152, 62371280, 70167690, 93556920, 112268304, 140335380, 187113840, 280670760, 561341520]

約数ペア:

[(1, 561341520), (2, 280670760), (3, 187113840), (4, 140335380), (5, 112268304), (6, 93556920), (8, 70167690), (9, 62371280), (10, 56134152), (12, 46778460), (15, 37422768), (16, 35083845), (18, 31185640), (20, 28067076), (24, 23389230), (30, 18711384), (36, 15592820), (40, 14033538), (45, 12474256), (48, 11694615), (60, 9355692), (61, 9202320), (72, 7796410), (80, 7016769), (90, 6237128), (120, 4677846), (122, 4601160), (144, 3898205), (180, 3118564), (183, 3067440), (240, 2338923), (244, 2300580), (305, 1840464), (360, 1559282), (366, 1533720), (488, 1150290), (549, 1022480), (610, 920232), (720, 779641), (732, 766860), (915, 613488), (976, 575145), (1098, 511240), (1220, 460116), (1464, 383430), (1830, 306744), (2196, 255620), (2440, 230058), (2745, 204496), (2928, 191715), (3660, 153372), (4392, 127810), (4880, 115029), (5490, 102248), (7320, 76686), (8784, 63905), (10980, 51124), (12781, 43920), (14640, 38343), (21960, 25562)]