1821981720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1167937}}^1$

素因数の和:1167964

約数の個数: 64

約数和(自身を含む): 5886407520

約数和(自身を除く): 4064425800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1167937, 2335874, 3503811, 4671748, 5839685, 7007622, 9343496, 11679370, 14015244, 15183181, 17519055, 23358740, 28030488, 30366362, 35038110, 45549543, 46717480, 60732724, 70076220, 75915905, 91099086, 121465448, 140152440, 151831810, 182198172, 227747715, 303663620, 364396344, 455495430, 607327240, 910990860, 1821981720]

約数ペア:

[(1, 1821981720), (2, 910990860), (3, 607327240), (4, 455495430), (5, 364396344), (6, 303663620), (8, 227747715), (10, 182198172), (12, 151831810), (13, 140152440), (15, 121465448), (20, 91099086), (24, 75915905), (26, 70076220), (30, 60732724), (39, 46717480), (40, 45549543), (52, 35038110), (60, 30366362), (65, 28030488), (78, 23358740), (104, 17519055), (120, 15183181), (130, 14015244), (156, 11679370), (195, 9343496), (260, 7007622), (312, 5839685), (390, 4671748), (520, 3503811), (780, 2335874), (1560, 1167937)]