520988520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1355

約数の個数: 128

約数和(自身を含む): 1689891840

約数和(自身を除く): 1168903320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 337, 390, 520, 674, 780, 991, 1011, 1348, 1560, 1685, 1982, 2022, 2696, 2973, 3370, 3964, 4044, 4381, 4955, 5055, 5946, 6740, 7928, 8088, 8762, 9910, 10110, 11892, 12883, 13143, 13480, 14865, 17524, 19820, 20220, 21905, 23784, 25766, 26286, 29730, 35048, 38649, 39640, 40440, 43810, 51532, 52572, 59460, 64415, 65715, 77298, 87620, 103064, 105144, 118920, 128830, 131430, 154596, 175240, 193245, 257660, 262860, 309192, 333967, 386490, 515320, 525720, 667934, 772980, 1001901, 1335868, 1545960, 1669835, 2003802, 2671736, 3339670, 4007604, 4341571, 5009505, 6679340, 8015208, 8683142, 10019010, 13024713, 13358680, 17366284, 20038020, 21707855, 26049426, 34732568, 40076040, 43415710, 52098852, 65123565, 86831420, 104197704, 130247130, 173662840, 260494260, 520988520]

約数ペア:

[(1, 520988520), (2, 260494260), (3, 173662840), (4, 130247130), (5, 104197704), (6, 86831420), (8, 65123565), (10, 52098852), (12, 43415710), (13, 40076040), (15, 34732568), (20, 26049426), (24, 21707855), (26, 20038020), (30, 17366284), (39, 13358680), (40, 13024713), (52, 10019010), (60, 8683142), (65, 8015208), (78, 6679340), (104, 5009505), (120, 4341571), (130, 4007604), (156, 3339670), (195, 2671736), (260, 2003802), (312, 1669835), (337, 1545960), (390, 1335868), (520, 1001901), (674, 772980), (780, 667934), (991, 525720), (1011, 515320), (1348, 386490), (1560, 333967), (1685, 309192), (1982, 262860), (2022, 257660), (2696, 193245), (2973, 175240), (3370, 154596), (3964, 131430), (4044, 128830), (4381, 118920), (4955, 105144), (5055, 103064), (5946, 87620), (6740, 77298), (7928, 65715), (8088, 64415), (8762, 59460), (9910, 52572), (10110, 51532), (11892, 43810), (12883, 40440), (13143, 39640), (13480, 38649), (14865, 35048), (17524, 29730), (19820, 26286), (20220, 25766), (21905, 23784)]