564478720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33923}}^1$

素因数の和:33957

約数の個数: 72

約数和(自身を含む): 1456153776

約数和(自身を除く): 891675056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 33923, 67846, 135692, 169615, 271384, 339230, 440999, 542768, 678460, 881998, 1085536, 1356920, 1763996, 2171072, 2204995, 2713840, 3527992, 4342144, 4409990, 5427680, 7055984, 8684288, 8819980, 10855360, 14111968, 17639960, 21710720, 28223936, 35279920, 43421440, 56447872, 70559840, 112895744, 141119680, 282239360, 564478720]

約数ペア:

[(1, 564478720), (2, 282239360), (4, 141119680), (5, 112895744), (8, 70559840), (10, 56447872), (13, 43421440), (16, 35279920), (20, 28223936), (26, 21710720), (32, 17639960), (40, 14111968), (52, 10855360), (64, 8819980), (65, 8684288), (80, 7055984), (104, 5427680), (128, 4409990), (130, 4342144), (160, 3527992), (208, 2713840), (256, 2204995), (260, 2171072), (320, 1763996), (416, 1356920), (520, 1085536), (640, 881998), (832, 678460), (1040, 542768), (1280, 440999), (1664, 339230), (2080, 271384), (3328, 169615), (4160, 135692), (8320, 67846), (16640, 33923)]