78830520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21191}}^1$

素因数の和:21236

約数の個数: 64

約数和(自身を含む): 244131840

約数和(自身を除く): 165301320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21191, 42382, 63573, 84764, 105955, 127146, 169528, 211910, 254292, 317865, 423820, 508584, 635730, 656921, 847640, 1271460, 1313842, 1970763, 2542920, 2627684, 3284605, 3941526, 5255368, 6569210, 7883052, 9853815, 13138420, 15766104, 19707630, 26276840, 39415260, 78830520]

約数ペア:

[(1, 78830520), (2, 39415260), (3, 26276840), (4, 19707630), (5, 15766104), (6, 13138420), (8, 9853815), (10, 7883052), (12, 6569210), (15, 5255368), (20, 3941526), (24, 3284605), (30, 2627684), (31, 2542920), (40, 1970763), (60, 1313842), (62, 1271460), (93, 847640), (120, 656921), (124, 635730), (155, 508584), (186, 423820), (248, 317865), (310, 254292), (372, 211910), (465, 169528), (620, 127146), (744, 105955), (930, 84764), (1240, 63573), (1860, 42382), (3720, 21191)]