1820311560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20981}}^1$

素因数の和:21239

約数の個数: 96

約数和(自身を含む): 5940843480

約数和(自身を除く): 4120531920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 241, 360, 482, 723, 964, 1205, 1446, 1928, 2169, 2410, 2892, 3615, 4338, 4820, 5784, 7230, 8676, 9640, 10845, 14460, 17352, 20981, 21690, 28920, 41962, 43380, 62943, 83924, 86760, 104905, 125886, 167848, 188829, 209810, 251772, 314715, 377658, 419620, 503544, 629430, 755316, 839240, 944145, 1258860, 1510632, 1888290, 2517720, 3776580, 5056421, 7553160, 10112842, 15169263, 20225684, 25282105, 30338526, 40451368, 45507789, 50564210, 60677052, 75846315, 91015578, 101128420, 121354104, 151692630, 182031156, 202256840, 227538945, 303385260, 364062312, 455077890, 606770520, 910155780, 1820311560]

約数ペア:

[(1, 1820311560), (2, 910155780), (3, 606770520), (4, 455077890), (5, 364062312), (6, 303385260), (8, 227538945), (9, 202256840), (10, 182031156), (12, 151692630), (15, 121354104), (18, 101128420), (20, 91015578), (24, 75846315), (30, 60677052), (36, 50564210), (40, 45507789), (45, 40451368), (60, 30338526), (72, 25282105), (90, 20225684), (120, 15169263), (180, 10112842), (241, 7553160), (360, 5056421), (482, 3776580), (723, 2517720), (964, 1888290), (1205, 1510632), (1446, 1258860), (1928, 944145), (2169, 839240), (2410, 755316), (2892, 629430), (3615, 503544), (4338, 419620), (4820, 377658), (5784, 314715), (7230, 251772), (8676, 209810), (9640, 188829), (10845, 167848), (14460, 125886), (17352, 104905), (20981, 86760), (21690, 83924), (28920, 62943), (41962, 43380)]