321657980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 791347200

約数和(自身を除く): 469689220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 127, 140, 158, 229, 254, 316, 395, 458, 508, 553, 635, 790, 889, 916, 1106, 1145, 1270, 1580, 1603, 1778, 2212, 2290, 2540, 2765, 3206, 3556, 4445, 4580, 5530, 6412, 8015, 8890, 10033, 11060, 16030, 17780, 18091, 20066, 29083, 32060, 36182, 40132, 50165, 58166, 70231, 72364, 90455, 100330, 116332, 126637, 140462, 145415, 180910, 200660, 203581, 253274, 280924, 290830, 351155, 361820, 407162, 506548, 581660, 633185, 702310, 814324, 1017905, 1266370, 1404620, 2035810, 2297557, 2532740, 4071620, 4595114, 9190228, 11487785, 16082899, 22975570, 32165798, 45951140, 64331596, 80414495, 160828990, 321657980]

約数ペア:

[(1, 321657980), (2, 160828990), (4, 80414495), (5, 64331596), (7, 45951140), (10, 32165798), (14, 22975570), (20, 16082899), (28, 11487785), (35, 9190228), (70, 4595114), (79, 4071620), (127, 2532740), (140, 2297557), (158, 2035810), (229, 1404620), (254, 1266370), (316, 1017905), (395, 814324), (458, 702310), (508, 633185), (553, 581660), (635, 506548), (790, 407162), (889, 361820), (916, 351155), (1106, 290830), (1145, 280924), (1270, 253274), (1580, 203581), (1603, 200660), (1778, 180910), (2212, 145415), (2290, 140462), (2540, 126637), (2765, 116332), (3206, 100330), (3556, 90455), (4445, 72364), (4580, 70231), (5530, 58166), (6412, 50165), (8015, 40132), (8890, 36182), (10033, 32060), (11060, 29083), (16030, 20066), (17780, 18091)]