205804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65963}}^1$

素因数の和:65992

約数の個数: 80

約数和(自身を含む): 687081024

約数和(自身を除く): 481276464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 65963, 131926, 197889, 263852, 329815, 395778, 527704, 659630, 791556, 857519, 989445, 1055408, 1319260, 1583112, 1715038, 1978890, 2572557, 2638520, 3166224, 3430076, 3957780, 4287595, 5145114, 5277040, 6860152, 7915560, 8575190, 10290228, 12862785, 13720304, 15831120, 17150380, 20580456, 25725570, 34300760, 41160912, 51451140, 68601520, 102902280, 205804560]

約数ペア:

[(1, 205804560), (2, 102902280), (3, 68601520), (4, 51451140), (5, 41160912), (6, 34300760), (8, 25725570), (10, 20580456), (12, 17150380), (13, 15831120), (15, 13720304), (16, 12862785), (20, 10290228), (24, 8575190), (26, 7915560), (30, 6860152), (39, 5277040), (40, 5145114), (48, 4287595), (52, 3957780), (60, 3430076), (65, 3166224), (78, 2638520), (80, 2572557), (104, 1978890), (120, 1715038), (130, 1583112), (156, 1319260), (195, 1055408), (208, 989445), (240, 857519), (260, 791556), (312, 659630), (390, 527704), (520, 395778), (624, 329815), (780, 263852), (1040, 197889), (1560, 131926), (3120, 65963)]