208787280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66919}}^1$

素因数の和:66948

約数の個数: 80

約数和(自身を含む): 697038720

約数和(自身を除く): 488251440

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, 66919, 133838, 200757, 267676, 334595, 401514, 535352, 669190, 803028, 869947, 1003785, 1070704, 1338380, 1606056, 1739894, 2007570, 2609841, 2676760, 3212112, 3479788, 4015140, 4349735, 5219682, 5353520, 6959576, 8030280, 8699470, 10439364, 13049205, 13919152, 16060560, 17398940, 20878728, 26098410, 34797880, 41757456, 52196820, 69595760, 104393640, 208787280]

約数ペア:

[(1, 208787280), (2, 104393640), (3, 69595760), (4, 52196820), (5, 41757456), (6, 34797880), (8, 26098410), (10, 20878728), (12, 17398940), (13, 16060560), (15, 13919152), (16, 13049205), (20, 10439364), (24, 8699470), (26, 8030280), (30, 6959576), (39, 5353520), (40, 5219682), (48, 4349735), (52, 4015140), (60, 3479788), (65, 3212112), (78, 2676760), (80, 2609841), (104, 2007570), (120, 1739894), (130, 1606056), (156, 1338380), (195, 1070704), (208, 1003785), (240, 869947), (260, 803028), (312, 669190), (390, 535352), (520, 401514), (624, 334595), (780, 267676), (1040, 200757), (1560, 133838), (3120, 66919)]