861363520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2801}}^1$

素因数の和:2880

約数の個数: 84

約数和(自身を含む): 2120178132

約数和(自身を除く): 1258814612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1240, 1922, 1984, 2480, 2801, 3844, 4805, 4960, 5602, 7688, 9610, 9920, 11204, 14005, 15376, 19220, 22408, 28010, 30752, 38440, 44816, 56020, 61504, 76880, 86831, 89632, 112040, 153760, 173662, 179264, 224080, 307520, 347324, 434155, 448160, 694648, 868310, 896320, 1389296, 1736620, 2691761, 2778592, 3473240, 5383522, 5557184, 6946480, 10767044, 13458805, 13892960, 21534088, 26917610, 27785920, 43068176, 53835220, 86136352, 107670440, 172272704, 215340880, 430681760, 861363520]

約数ペア:

[(1, 861363520), (2, 430681760), (4, 215340880), (5, 172272704), (8, 107670440), (10, 86136352), (16, 53835220), (20, 43068176), (31, 27785920), (32, 26917610), (40, 21534088), (62, 13892960), (64, 13458805), (80, 10767044), (124, 6946480), (155, 5557184), (160, 5383522), (248, 3473240), (310, 2778592), (320, 2691761), (496, 1736620), (620, 1389296), (961, 896320), (992, 868310), (1240, 694648), (1922, 448160), (1984, 434155), (2480, 347324), (2801, 307520), (3844, 224080), (4805, 179264), (4960, 173662), (5602, 153760), (7688, 112040), (9610, 89632), (9920, 86831), (11204, 76880), (14005, 61504), (15376, 56020), (19220, 44816), (22408, 38440), (28010, 30752)]