215186520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22699}}^1$

素因数の和:22792

約数の個数: 64

約数和(自身を含む): 653760000

約数和(自身を除く): 438573480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 22699, 45398, 68097, 90796, 113495, 136194, 181592, 226990, 272388, 340485, 453980, 544776, 680970, 907960, 1361940, 1793221, 2723880, 3586442, 5379663, 7172884, 8966105, 10759326, 14345768, 17932210, 21518652, 26898315, 35864420, 43037304, 53796630, 71728840, 107593260, 215186520]

約数ペア:

[(1, 215186520), (2, 107593260), (3, 71728840), (4, 53796630), (5, 43037304), (6, 35864420), (8, 26898315), (10, 21518652), (12, 17932210), (15, 14345768), (20, 10759326), (24, 8966105), (30, 7172884), (40, 5379663), (60, 3586442), (79, 2723880), (120, 1793221), (158, 1361940), (237, 907960), (316, 680970), (395, 544776), (474, 453980), (632, 340485), (790, 272388), (948, 226990), (1185, 181592), (1580, 136194), (1896, 113495), (2370, 90796), (3160, 68097), (4740, 45398), (9480, 22699)]