131210520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{863}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 321663720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 863, 905, 1086, 1267, 1448, 1726, 1810, 2172, 2534, 2589, 2715, 3452, 3620, 3801, 4315, 4344, 5068, 5178, 5430, 6041, 6335, 6904, 7240, 7602, 8630, 10136, 10356, 10860, 12082, 12670, 12945, 15204, 17260, 18123, 19005, 20712, 21720, 24164, 25340, 25890, 30205, 30408, 34520, 36246, 38010, 48328, 50680, 51780, 60410, 72492, 76020, 90615, 103560, 120820, 144984, 152040, 156203, 181230, 241640, 312406, 362460, 468609, 624812, 724920, 781015, 937218, 1093421, 1249624, 1562030, 1874436, 2186842, 2343045, 3124060, 3280263, 3748872, 4373684, 4686090, 5467105, 6248120, 6560526, 8747368, 9372180, 10934210, 13121052, 16401315, 18744360, 21868420, 26242104, 32802630, 43736840, 65605260, 131210520]

約数ペア:

[(1, 131210520), (2, 65605260), (3, 43736840), (4, 32802630), (5, 26242104), (6, 21868420), (7, 18744360), (8, 16401315), (10, 13121052), (12, 10934210), (14, 9372180), (15, 8747368), (20, 6560526), (21, 6248120), (24, 5467105), (28, 4686090), (30, 4373684), (35, 3748872), (40, 3280263), (42, 3124060), (56, 2343045), (60, 2186842), (70, 1874436), (84, 1562030), (105, 1249624), (120, 1093421), (140, 937218), (168, 781015), (181, 724920), (210, 624812), (280, 468609), (362, 362460), (420, 312406), (543, 241640), (724, 181230), (840, 156203), (863, 152040), (905, 144984), (1086, 120820), (1267, 103560), (1448, 90615), (1726, 76020), (1810, 72492), (2172, 60410), (2534, 51780), (2589, 50680), (2715, 48328), (3452, 38010), (3620, 36246), (3801, 34520), (4315, 30408), (4344, 30205), (5068, 25890), (5178, 25340), (5430, 24164), (6041, 21720), (6335, 20712), (6904, 19005), (7240, 18123), (7602, 17260), (8630, 15204), (10136, 12945), (10356, 12670), (10860, 12082)]