778845990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1606

約数の個数: 128

約数和(自身を含む): 2159861760

約数和(自身を除く): 1381015770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 79, 85, 102, 130, 158, 170, 195, 221, 237, 255, 390, 395, 442, 474, 510, 663, 790, 1027, 1105, 1185, 1326, 1343, 1487, 2054, 2210, 2370, 2686, 2974, 3081, 3315, 4029, 4461, 5135, 6162, 6630, 6715, 7435, 8058, 8922, 10270, 13430, 14870, 15405, 17459, 19331, 20145, 22305, 25279, 30810, 34918, 38662, 40290, 44610, 50558, 52377, 57993, 75837, 87295, 96655, 104754, 115986, 117473, 126395, 151674, 174590, 193310, 234946, 252790, 261885, 289965, 328627, 352419, 379185, 523770, 579930, 587365, 657254, 704838, 758370, 985881, 1174730, 1527149, 1643135, 1762095, 1971762, 1997041, 3054298, 3286270, 3524190, 3994082, 4581447, 4929405, 5991123, 7635745, 9162894, 9858810, 9985205, 11982246, 15271490, 19970410, 22907235, 25961533, 29955615, 45814470, 51923066, 59911230, 77884599, 129807665, 155769198, 259615330, 389422995, 778845990]

約数ペア:

[(1, 778845990), (2, 389422995), (3, 259615330), (5, 155769198), (6, 129807665), (10, 77884599), (13, 59911230), (15, 51923066), (17, 45814470), (26, 29955615), (30, 25961533), (34, 22907235), (39, 19970410), (51, 15271490), (65, 11982246), (78, 9985205), (79, 9858810), (85, 9162894), (102, 7635745), (130, 5991123), (158, 4929405), (170, 4581447), (195, 3994082), (221, 3524190), (237, 3286270), (255, 3054298), (390, 1997041), (395, 1971762), (442, 1762095), (474, 1643135), (510, 1527149), (663, 1174730), (790, 985881), (1027, 758370), (1105, 704838), (1185, 657254), (1326, 587365), (1343, 579930), (1487, 523770), (2054, 379185), (2210, 352419), (2370, 328627), (2686, 289965), (2974, 261885), (3081, 252790), (3315, 234946), (4029, 193310), (4461, 174590), (5135, 151674), (6162, 126395), (6630, 117473), (6715, 115986), (7435, 104754), (8058, 96655), (8922, 87295), (10270, 75837), (13430, 57993), (14870, 52377), (15405, 50558), (17459, 44610), (19331, 40290), (20145, 38662), (22305, 34918), (25279, 30810)]