15828280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 39060000

約数和(自身を除く): 23231720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 499, 520, 610, 793, 998, 1220, 1586, 1996, 2440, 2495, 3172, 3965, 3992, 4990, 6344, 6487, 7930, 9980, 12974, 15860, 19960, 25948, 30439, 31720, 32435, 51896, 60878, 64870, 121756, 129740, 152195, 243512, 259480, 304390, 395707, 608780, 791414, 1217560, 1582828, 1978535, 3165656, 3957070, 7914140, 15828280]

約数ペア:

[(1, 15828280), (2, 7914140), (4, 3957070), (5, 3165656), (8, 1978535), (10, 1582828), (13, 1217560), (20, 791414), (26, 608780), (40, 395707), (52, 304390), (61, 259480), (65, 243512), (104, 152195), (122, 129740), (130, 121756), (244, 64870), (260, 60878), (305, 51896), (488, 32435), (499, 31720), (520, 30439), (610, 25948), (793, 19960), (998, 15860), (1220, 12974), (1586, 9980), (1996, 7930), (2440, 6487), (2495, 6344), (3172, 4990), (3965, 3992)]