1680490140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4001167}}^1$

素因数の和:4001186

約数の個数: 48

約数和(自身を含む): 5377569792

約数和(自身を除く): 3697079652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4001167, 8002334, 12003501, 16004668, 20005835, 24007002, 28008169, 40011670, 48014004, 56016338, 60017505, 80023340, 84024507, 112032676, 120035010, 140040845, 168049014, 240070020, 280081690, 336098028, 420122535, 560163380, 840245070, 1680490140]

約数ペア:

[(1, 1680490140), (2, 840245070), (3, 560163380), (4, 420122535), (5, 336098028), (6, 280081690), (7, 240070020), (10, 168049014), (12, 140040845), (14, 120035010), (15, 112032676), (20, 84024507), (21, 80023340), (28, 60017505), (30, 56016338), (35, 48014004), (42, 40011670), (60, 28008169), (70, 24007002), (84, 20005835), (105, 16004668), (140, 12003501), (210, 8002334), (420, 4001167)]