1640641770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{19793}}^1$

素因数の和:20116

約数の個数: 64

約数和(自身を含む): 4389517440

約数和(自身を除く): 2748875670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 307, 614, 921, 1535, 1842, 2763, 3070, 4605, 5526, 8289, 9210, 13815, 16578, 19793, 27630, 39586, 41445, 59379, 82890, 98965, 118758, 178137, 197930, 296895, 356274, 534411, 593790, 890685, 1068822, 1781370, 2672055, 5344110, 6076451, 12152902, 18229353, 30382255, 36458706, 54688059, 60764510, 91146765, 109376118, 164064177, 182293530, 273440295, 328128354, 546880590, 820320885, 1640641770]

約数ペア:

[(1, 1640641770), (2, 820320885), (3, 546880590), (5, 328128354), (6, 273440295), (9, 182293530), (10, 164064177), (15, 109376118), (18, 91146765), (27, 60764510), (30, 54688059), (45, 36458706), (54, 30382255), (90, 18229353), (135, 12152902), (270, 6076451), (307, 5344110), (614, 2672055), (921, 1781370), (1535, 1068822), (1842, 890685), (2763, 593790), (3070, 534411), (4605, 356274), (5526, 296895), (8289, 197930), (9210, 178137), (13815, 118758), (16578, 98965), (19793, 82890), (27630, 59379), (39586, 41445)]