1285757730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{621139}}^1$

素因数の和:621175

約数の個数: 48

約数和(自身を含む): 3488322240

約数和(自身を除く): 2202564510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 621139, 1242278, 1863417, 3105695, 3726834, 5590251, 6211390, 9317085, 11180502, 14286197, 18634170, 27951255, 28572394, 42858591, 55902510, 71430985, 85717182, 128575773, 142861970, 214292955, 257151546, 428585910, 642878865, 1285757730]

約数ペア:

[(1, 1285757730), (2, 642878865), (3, 428585910), (5, 257151546), (6, 214292955), (9, 142861970), (10, 128575773), (15, 85717182), (18, 71430985), (23, 55902510), (30, 42858591), (45, 28572394), (46, 27951255), (69, 18634170), (90, 14286197), (115, 11180502), (138, 9317085), (207, 6211390), (230, 5590251), (345, 3726834), (414, 3105695), (690, 1863417), (1035, 1242278), (2070, 621139)]