80245680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 249921504

約数和(自身を除く): 169675824

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, 1285, 1301, 1542, 2056, 2570, 2602, 3084, 3855, 3903, 4112, 5140, 5204, 6168, 6505, 7710, 7806, 10280, 10408, 12336, 13010, 15420, 15612, 19515, 20560, 20816, 26020, 30840, 31224, 39030, 52040, 61680, 62448, 78060, 104080, 156120, 312240, 334357, 668714, 1003071, 1337428, 1671785, 2006142, 2674856, 3343570, 4012284, 5015355, 5349712, 6687140, 8024568, 10030710, 13374280, 16049136, 20061420, 26748560, 40122840, 80245680]

約数ペア:

[(1, 80245680), (2, 40122840), (3, 26748560), (4, 20061420), (5, 16049136), (6, 13374280), (8, 10030710), (10, 8024568), (12, 6687140), (15, 5349712), (16, 5015355), (20, 4012284), (24, 3343570), (30, 2674856), (40, 2006142), (48, 1671785), (60, 1337428), (80, 1003071), (120, 668714), (240, 334357), (257, 312240), (514, 156120), (771, 104080), (1028, 78060), (1285, 62448), (1301, 61680), (1542, 52040), (2056, 39030), (2570, 31224), (2602, 30840), (3084, 26020), (3855, 20816), (3903, 20560), (4112, 19515), (5140, 15612), (5204, 15420), (6168, 13010), (6505, 12336), (7710, 10408), (7806, 10280)]