78765360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1277}}^1$

素因数の和:1550

約数の個数: 80

約数和(自身を含む): 245314656

約数和(自身を除く): 166549296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1277, 1285, 1542, 2056, 2554, 2570, 3084, 3831, 3855, 4112, 5108, 5140, 6168, 6385, 7662, 7710, 10216, 10280, 12336, 12770, 15324, 15420, 19155, 20432, 20560, 25540, 30648, 30840, 38310, 51080, 61296, 61680, 76620, 102160, 153240, 306480, 328189, 656378, 984567, 1312756, 1640945, 1969134, 2625512, 3281890, 3938268, 4922835, 5251024, 6563780, 7876536, 9845670, 13127560, 15753072, 19691340, 26255120, 39382680, 78765360]

約数ペア:

[(1, 78765360), (2, 39382680), (3, 26255120), (4, 19691340), (5, 15753072), (6, 13127560), (8, 9845670), (10, 7876536), (12, 6563780), (15, 5251024), (16, 4922835), (20, 3938268), (24, 3281890), (30, 2625512), (40, 1969134), (48, 1640945), (60, 1312756), (80, 984567), (120, 656378), (240, 328189), (257, 306480), (514, 153240), (771, 102160), (1028, 76620), (1277, 61680), (1285, 61296), (1542, 51080), (2056, 38310), (2554, 30840), (2570, 30648), (3084, 25540), (3831, 20560), (3855, 20432), (4112, 19155), (5108, 15420), (5140, 15324), (6168, 12770), (6385, 12336), (7662, 10280), (7710, 10216)]