64539120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268913}}^1$

素因数の和:268929

約数の個数: 40

約数和(自身を含む): 200072016

約数和(自身を除く): 135532896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268913, 537826, 806739, 1075652, 1344565, 1613478, 2151304, 2689130, 3226956, 4033695, 4302608, 5378260, 6453912, 8067390, 10756520, 12907824, 16134780, 21513040, 32269560, 64539120]

約数ペア:

[(1, 64539120), (2, 32269560), (3, 21513040), (4, 16134780), (5, 12907824), (6, 10756520), (8, 8067390), (10, 6453912), (12, 5378260), (15, 4302608), (16, 4033695), (20, 3226956), (24, 2689130), (30, 2151304), (40, 1613478), (48, 1344565), (60, 1075652), (80, 806739), (120, 537826), (240, 268913)]