84061640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 205329600

約数和(自身を除く): 121267960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1163, 1390, 1807, 2326, 2780, 3614, 4652, 5560, 5815, 7228, 9035, 9304, 11630, 14456, 15119, 18070, 23260, 30238, 36140, 46520, 60476, 72280, 75595, 120952, 151190, 161657, 302380, 323314, 604760, 646628, 808285, 1293256, 1616570, 2101541, 3233140, 4203082, 6466280, 8406164, 10507705, 16812328, 21015410, 42030820, 84061640]

約数ペア:

[(1, 84061640), (2, 42030820), (4, 21015410), (5, 16812328), (8, 10507705), (10, 8406164), (13, 6466280), (20, 4203082), (26, 3233140), (40, 2101541), (52, 1616570), (65, 1293256), (104, 808285), (130, 646628), (139, 604760), (260, 323314), (278, 302380), (520, 161657), (556, 151190), (695, 120952), (1112, 75595), (1163, 72280), (1390, 60476), (1807, 46520), (2326, 36140), (2780, 30238), (3614, 23260), (4652, 18070), (5560, 15119), (5815, 14456), (7228, 11630), (9035, 9304)]