646022640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2801}}^1$

素因数の和:2879

約数の個数: 120

約数和(自身を含む): 2070095184

約数和(自身を除く): 1424072544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 961, 1240, 1488, 1860, 1922, 2480, 2801, 2883, 3720, 3844, 4805, 5602, 5766, 7440, 7688, 8403, 9610, 11204, 11532, 14005, 14415, 15376, 16806, 19220, 22408, 23064, 28010, 28830, 33612, 38440, 42015, 44816, 46128, 56020, 57660, 67224, 76880, 84030, 86831, 112040, 115320, 134448, 168060, 173662, 224080, 230640, 260493, 336120, 347324, 434155, 520986, 672240, 694648, 868310, 1041972, 1302465, 1389296, 1736620, 2083944, 2604930, 2691761, 3473240, 4167888, 5209860, 5383522, 6946480, 8075283, 10419720, 10767044, 13458805, 16150566, 20839440, 21534088, 26917610, 32301132, 40376415, 43068176, 53835220, 64602264, 80752830, 107670440, 129204528, 161505660, 215340880, 323011320, 646022640]

約数ペア:

[(1, 646022640), (2, 323011320), (3, 215340880), (4, 161505660), (5, 129204528), (6, 107670440), (8, 80752830), (10, 64602264), (12, 53835220), (15, 43068176), (16, 40376415), (20, 32301132), (24, 26917610), (30, 21534088), (31, 20839440), (40, 16150566), (48, 13458805), (60, 10767044), (62, 10419720), (80, 8075283), (93, 6946480), (120, 5383522), (124, 5209860), (155, 4167888), (186, 3473240), (240, 2691761), (248, 2604930), (310, 2083944), (372, 1736620), (465, 1389296), (496, 1302465), (620, 1041972), (744, 868310), (930, 694648), (961, 672240), (1240, 520986), (1488, 434155), (1860, 347324), (1922, 336120), (2480, 260493), (2801, 230640), (2883, 224080), (3720, 173662), (3844, 168060), (4805, 134448), (5602, 115320), (5766, 112040), (7440, 86831), (7688, 84030), (8403, 76880), (9610, 67224), (11204, 57660), (11532, 56020), (14005, 46128), (14415, 44816), (15376, 42015), (16806, 38440), (19220, 33612), (22408, 28830), (23064, 28010)]