1821490872780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{12880009}}^1$

素因数の和:12882378

約数の個数: 48

約数和(自身を含む): 5102338681440

約数和(自身を除く): 3280847808660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2357, 4714, 7071, 9428, 11785, 14142, 23570, 28284, 35355, 47140, 70710, 141420, 12880009, 25760018, 38640027, 51520036, 64400045, 77280054, 128800090, 154560108, 193200135, 257600180, 386400270, 772800540, 30358181213, 60716362426, 91074543639, 121432724852, 151790906065, 182149087278, 303581812130, 364298174556, 455372718195, 607163624260, 910745436390, 1821490872780]

約数ペア:

[(1, 1821490872780), (2, 910745436390), (3, 607163624260), (4, 455372718195), (5, 364298174556), (6, 303581812130), (10, 182149087278), (12, 151790906065), (15, 121432724852), (20, 91074543639), (30, 60716362426), (60, 30358181213), (2357, 772800540), (4714, 386400270), (7071, 257600180), (9428, 193200135), (11785, 154560108), (14142, 128800090), (23570, 77280054), (28284, 64400045), (35355, 51520036), (47140, 38640027), (70710, 25760018), (141420, 12880009)]