2491320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 8053920

約数和(自身を除く): 5562600

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, 390, 520, 780, 1560, 1597, 3194, 4791, 6388, 7985, 9582, 12776, 15970, 19164, 20761, 23955, 31940, 38328, 41522, 47910, 62283, 63880, 83044, 95820, 103805, 124566, 166088, 191640, 207610, 249132, 311415, 415220, 498264, 622830, 830440, 1245660, 2491320]

約数ペア:

[(1, 2491320), (2, 1245660), (3, 830440), (4, 622830), (5, 498264), (6, 415220), (8, 311415), (10, 249132), (12, 207610), (13, 191640), (15, 166088), (20, 124566), (24, 103805), (26, 95820), (30, 83044), (39, 63880), (40, 62283), (52, 47910), (60, 41522), (65, 38328), (78, 31940), (104, 23955), (120, 20761), (130, 19164), (156, 15970), (195, 12776), (260, 9582), (312, 7985), (390, 6388), (520, 4791), (780, 3194), (1560, 1597)]