128668020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 389999232

約数和(自身を除く): 261331212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 293, 390, 563, 586, 780, 879, 1126, 1172, 1465, 1689, 1758, 2252, 2815, 2930, 3378, 3516, 3809, 4395, 5630, 5860, 6756, 7319, 7618, 8445, 8790, 11260, 11427, 14638, 15236, 16890, 17580, 19045, 21957, 22854, 29276, 33780, 36595, 38090, 43914, 45708, 57135, 73190, 76180, 87828, 109785, 114270, 146380, 164959, 219570, 228540, 329918, 439140, 494877, 659836, 824795, 989754, 1649590, 1979508, 2144467, 2474385, 3299180, 4288934, 4948770, 6433401, 8577868, 9897540, 10722335, 12866802, 21444670, 25733604, 32167005, 42889340, 64334010, 128668020]

約数ペア:

[(1, 128668020), (2, 64334010), (3, 42889340), (4, 32167005), (5, 25733604), (6, 21444670), (10, 12866802), (12, 10722335), (13, 9897540), (15, 8577868), (20, 6433401), (26, 4948770), (30, 4288934), (39, 3299180), (52, 2474385), (60, 2144467), (65, 1979508), (78, 1649590), (130, 989754), (156, 824795), (195, 659836), (260, 494877), (293, 439140), (390, 329918), (563, 228540), (586, 219570), (780, 164959), (879, 146380), (1126, 114270), (1172, 109785), (1465, 87828), (1689, 76180), (1758, 73190), (2252, 57135), (2815, 45708), (2930, 43914), (3378, 38090), (3516, 36595), (3809, 33780), (4395, 29276), (5630, 22854), (5860, 21957), (6756, 19045), (7319, 17580), (7618, 16890), (8445, 15236), (8790, 14638), (11260, 11427)]