1440703908

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{991}}^1$

素因数の和:1655

約数の個数: 120

約数和(自身を含む): 4315390464

約数和(自身を除く): 2874686556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 641, 756, 991, 1134, 1282, 1923, 1982, 2268, 2564, 2973, 3846, 3964, 4487, 5769, 5946, 6937, 7692, 8919, 8974, 11538, 11892, 13461, 13874, 17307, 17838, 17948, 20811, 23076, 26757, 26922, 27748, 34614, 35676, 40383, 41622, 51921, 53514, 53844, 62433, 69228, 80271, 80766, 83244, 103842, 107028, 121149, 124866, 160542, 161532, 187299, 207684, 242298, 249732, 321084, 363447, 374598, 484596, 561897, 635231, 726894, 749196, 1123794, 1270462, 1453788, 1905693, 2247588, 2540924, 3811386, 4446617, 5717079, 7622772, 8893234, 11434158, 13339851, 17151237, 17786468, 22868316, 26679702, 34302474, 40019553, 51453711, 53359404, 68604948, 80039106, 102907422, 120058659, 160078212, 205814844, 240117318, 360175977, 480234636, 720351954, 1440703908]

約数ペア:

[(1, 1440703908), (2, 720351954), (3, 480234636), (4, 360175977), (6, 240117318), (7, 205814844), (9, 160078212), (12, 120058659), (14, 102907422), (18, 80039106), (21, 68604948), (27, 53359404), (28, 51453711), (36, 40019553), (42, 34302474), (54, 26679702), (63, 22868316), (81, 17786468), (84, 17151237), (108, 13339851), (126, 11434158), (162, 8893234), (189, 7622772), (252, 5717079), (324, 4446617), (378, 3811386), (567, 2540924), (641, 2247588), (756, 1905693), (991, 1453788), (1134, 1270462), (1282, 1123794), (1923, 749196), (1982, 726894), (2268, 635231), (2564, 561897), (2973, 484596), (3846, 374598), (3964, 363447), (4487, 321084), (5769, 249732), (5946, 242298), (6937, 207684), (7692, 187299), (8919, 161532), (8974, 160542), (11538, 124866), (11892, 121149), (13461, 107028), (13874, 103842), (17307, 83244), (17838, 80766), (17948, 80271), (20811, 69228), (23076, 62433), (26757, 53844), (26922, 53514), (27748, 51921), (34614, 41622), (35676, 40383)]