64726740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 214032000

約数和(自身を除く): 149305260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 199, 234, 260, 278, 390, 398, 417, 468, 556, 585, 597, 695, 780, 796, 834, 995, 1170, 1194, 1251, 1390, 1668, 1791, 1807, 1990, 2085, 2340, 2388, 2502, 2587, 2780, 2985, 3582, 3614, 3980, 4170, 5004, 5174, 5421, 5970, 6255, 7164, 7228, 7761, 8340, 8955, 9035, 10348, 10842, 11940, 12510, 12935, 15522, 16263, 17910, 18070, 21684, 23283, 25020, 25870, 27105, 27661, 31044, 32526, 35820, 36140, 38805, 46566, 51740, 54210, 55322, 65052, 77610, 81315, 82983, 93132, 108420, 110644, 116415, 138305, 155220, 162630, 165966, 232830, 248949, 276610, 325260, 331932, 359593, 414915, 465660, 497898, 553220, 719186, 829830, 995796, 1078779, 1244745, 1438372, 1659660, 1797965, 2157558, 2489490, 3236337, 3595930, 4315116, 4978980, 5393895, 6472674, 7191860, 10787790, 12945348, 16181685, 21575580, 32363370, 64726740]

約数ペア:

[(1, 64726740), (2, 32363370), (3, 21575580), (4, 16181685), (5, 12945348), (6, 10787790), (9, 7191860), (10, 6472674), (12, 5393895), (13, 4978980), (15, 4315116), (18, 3595930), (20, 3236337), (26, 2489490), (30, 2157558), (36, 1797965), (39, 1659660), (45, 1438372), (52, 1244745), (60, 1078779), (65, 995796), (78, 829830), (90, 719186), (117, 553220), (130, 497898), (139, 465660), (156, 414915), (180, 359593), (195, 331932), (199, 325260), (234, 276610), (260, 248949), (278, 232830), (390, 165966), (398, 162630), (417, 155220), (468, 138305), (556, 116415), (585, 110644), (597, 108420), (695, 93132), (780, 82983), (796, 81315), (834, 77610), (995, 65052), (1170, 55322), (1194, 54210), (1251, 51740), (1390, 46566), (1668, 38805), (1791, 36140), (1807, 35820), (1990, 32526), (2085, 31044), (2340, 27661), (2388, 27105), (2502, 25870), (2587, 25020), (2780, 23283), (2985, 21684), (3582, 18070), (3614, 17910), (3980, 16263), (4170, 15522), (5004, 12935), (5174, 12510), (5421, 11940), (5970, 10842), (6255, 10348), (7164, 9035), (7228, 8955), (7761, 8340)]