56969720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 136728000

約数和(自身を除く): 79758280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 421, 680, 796, 842, 995, 1592, 1684, 1990, 2105, 3368, 3383, 3980, 4210, 6766, 7157, 7960, 8420, 13532, 14314, 16840, 16915, 27064, 28628, 33830, 35785, 57256, 67660, 71570, 83779, 135320, 143140, 167558, 286280, 335116, 418895, 670232, 837790, 1424243, 1675580, 2848486, 3351160, 5696972, 7121215, 11393944, 14242430, 28484860, 56969720]

約数ペア:

[(1, 56969720), (2, 28484860), (4, 14242430), (5, 11393944), (8, 7121215), (10, 5696972), (17, 3351160), (20, 2848486), (34, 1675580), (40, 1424243), (68, 837790), (85, 670232), (136, 418895), (170, 335116), (199, 286280), (340, 167558), (398, 143140), (421, 135320), (680, 83779), (796, 71570), (842, 67660), (995, 57256), (1592, 35785), (1684, 33830), (1990, 28628), (2105, 27064), (3368, 16915), (3383, 16840), (3980, 14314), (4210, 13532), (6766, 8420), (7157, 7960)]