215340880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2801}}^1$

素因数の和:2876

約数の個数: 60

約数和(自身を含む): 517523796

約数和(自身を除く): 302182916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2801, 3844, 4805, 5602, 7688, 9610, 11204, 14005, 15376, 19220, 22408, 28010, 38440, 44816, 56020, 76880, 86831, 112040, 173662, 224080, 347324, 434155, 694648, 868310, 1389296, 1736620, 2691761, 3473240, 5383522, 6946480, 10767044, 13458805, 21534088, 26917610, 43068176, 53835220, 107670440, 215340880]

約数ペア:

[(1, 215340880), (2, 107670440), (4, 53835220), (5, 43068176), (8, 26917610), (10, 21534088), (16, 13458805), (20, 10767044), (31, 6946480), (40, 5383522), (62, 3473240), (80, 2691761), (124, 1736620), (155, 1389296), (248, 868310), (310, 694648), (496, 434155), (620, 347324), (961, 224080), (1240, 173662), (1922, 112040), (2480, 86831), (2801, 76880), (3844, 56020), (4805, 44816), (5602, 38440), (7688, 28010), (9610, 22408), (11204, 19220), (14005, 15376)]