641490564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 1821718080

約数和(自身を除く): 1180227516

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 124, 132, 143, 156, 186, 286, 341, 372, 389, 403, 429, 572, 682, 778, 806, 858, 961, 1023, 1167, 1209, 1364, 1556, 1612, 1716, 1922, 2046, 2334, 2418, 2883, 3844, 4092, 4279, 4433, 4668, 4836, 5057, 5766, 8558, 8866, 10114, 10571, 11532, 12059, 12493, 12837, 13299, 15171, 17116, 17732, 20228, 21142, 24118, 24986, 25674, 26598, 30342, 31713, 36177, 37479, 42284, 48236, 49972, 51348, 53196, 55627, 60684, 63426, 72354, 74958, 111254, 126852, 132649, 137423, 144708, 149916, 156767, 166881, 222508, 265298, 274846, 313534, 333762, 373829, 397947, 412269, 470301, 530596, 549692, 627068, 667524, 747658, 795894, 824538, 940602, 1121487, 1495316, 1591788, 1649076, 1724437, 1881204, 2242974, 3448874, 4112119, 4485948, 4859777, 5173311, 6897748, 8224238, 9719554, 10346622, 12336357, 14579331, 16448476, 19439108, 20693244, 24672714, 29158662, 49345428, 53457547, 58317324, 106915094, 160372641, 213830188, 320745282, 641490564]

約数ペア:

[(1, 641490564), (2, 320745282), (3, 213830188), (4, 160372641), (6, 106915094), (11, 58317324), (12, 53457547), (13, 49345428), (22, 29158662), (26, 24672714), (31, 20693244), (33, 19439108), (39, 16448476), (44, 14579331), (52, 12336357), (62, 10346622), (66, 9719554), (78, 8224238), (93, 6897748), (124, 5173311), (132, 4859777), (143, 4485948), (156, 4112119), (186, 3448874), (286, 2242974), (341, 1881204), (372, 1724437), (389, 1649076), (403, 1591788), (429, 1495316), (572, 1121487), (682, 940602), (778, 824538), (806, 795894), (858, 747658), (961, 667524), (1023, 627068), (1167, 549692), (1209, 530596), (1364, 470301), (1556, 412269), (1612, 397947), (1716, 373829), (1922, 333762), (2046, 313534), (2334, 274846), (2418, 265298), (2883, 222508), (3844, 166881), (4092, 156767), (4279, 149916), (4433, 144708), (4668, 137423), (4836, 132649), (5057, 126852), (5766, 111254), (8558, 74958), (8866, 72354), (10114, 63426), (10571, 60684), (11532, 55627), (12059, 53196), (12493, 51348), (12837, 49972), (13299, 48236), (15171, 42284), (17116, 37479), (17732, 36177), (20228, 31713), (21142, 30342), (24118, 26598), (24986, 25674)]