1326990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 3732480

約数和(自身を除く): 2405490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 89, 105, 142, 178, 210, 213, 267, 355, 426, 445, 497, 534, 623, 710, 890, 994, 1065, 1246, 1335, 1491, 1869, 2130, 2485, 2670, 2982, 3115, 3738, 4970, 6230, 6319, 7455, 9345, 12638, 14910, 18690, 18957, 31595, 37914, 44233, 63190, 88466, 94785, 132699, 189570, 221165, 265398, 442330, 663495, 1326990]

約数ペア:

[(1, 1326990), (2, 663495), (3, 442330), (5, 265398), (6, 221165), (7, 189570), (10, 132699), (14, 94785), (15, 88466), (21, 63190), (30, 44233), (35, 37914), (42, 31595), (70, 18957), (71, 18690), (89, 14910), (105, 12638), (142, 9345), (178, 7455), (210, 6319), (213, 6230), (267, 4970), (355, 3738), (426, 3115), (445, 2982), (497, 2670), (534, 2485), (623, 2130), (710, 1869), (890, 1491), (994, 1335), (1065, 1246)]