31552020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2971}}^1$

素因数の和:3045

約数の個数: 72

約数和(自身を含む): 97362720

約数和(自身を除く): 65810700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2971, 3540, 5310, 5942, 8913, 10620, 11884, 14855, 17826, 26739, 29710, 35652, 44565, 53478, 59420, 89130, 106956, 133695, 175289, 178260, 267390, 350578, 525867, 534780, 701156, 876445, 1051734, 1577601, 1752890, 2103468, 2629335, 3155202, 3505780, 5258670, 6310404, 7888005, 10517340, 15776010, 31552020]

約数ペア:

[(1, 31552020), (2, 15776010), (3, 10517340), (4, 7888005), (5, 6310404), (6, 5258670), (9, 3505780), (10, 3155202), (12, 2629335), (15, 2103468), (18, 1752890), (20, 1577601), (30, 1051734), (36, 876445), (45, 701156), (59, 534780), (60, 525867), (90, 350578), (118, 267390), (177, 178260), (180, 175289), (236, 133695), (295, 106956), (354, 89130), (531, 59420), (590, 53478), (708, 44565), (885, 35652), (1062, 29710), (1180, 26739), (1770, 17826), (2124, 14855), (2655, 11884), (2971, 10620), (3540, 8913), (5310, 5942)]