1871730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{2971}}^1$

素因数の和:2991

約数の個数: 48

約数和(自身を含む): 5563584

約数和(自身を除く): 3691854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 2971, 5942, 8913, 14855, 17826, 20797, 26739, 29710, 41594, 44565, 53478, 62391, 89130, 103985, 124782, 133695, 187173, 207970, 267390, 311955, 374346, 623910, 935865, 1871730]

約数ペア:

[(1, 1871730), (2, 935865), (3, 623910), (5, 374346), (6, 311955), (7, 267390), (9, 207970), (10, 187173), (14, 133695), (15, 124782), (18, 103985), (21, 89130), (30, 62391), (35, 53478), (42, 44565), (45, 41594), (63, 29710), (70, 26739), (90, 20797), (105, 17826), (126, 14855), (210, 8913), (315, 5942), (630, 2971)]