2539890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 7084800

約数和(自身を除く): 4544910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 409, 414, 621, 690, 818, 1035, 1227, 1242, 2045, 2070, 2454, 3105, 3681, 4090, 6135, 6210, 7362, 9407, 11043, 12270, 18405, 18814, 22086, 28221, 36810, 47035, 55215, 56442, 84663, 94070, 110430, 141105, 169326, 253989, 282210, 423315, 507978, 846630, 1269945, 2539890]

約数ペア:

[(1, 2539890), (2, 1269945), (3, 846630), (5, 507978), (6, 423315), (9, 282210), (10, 253989), (15, 169326), (18, 141105), (23, 110430), (27, 94070), (30, 84663), (45, 56442), (46, 55215), (54, 47035), (69, 36810), (90, 28221), (115, 22086), (135, 18814), (138, 18405), (207, 12270), (230, 11043), (270, 9407), (345, 7362), (409, 6210), (414, 6135), (621, 4090), (690, 3681), (818, 3105), (1035, 2454), (1227, 2070), (1242, 2045)]