278056980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49831}}^1$

素因数の和:49877

約数の個数: 72

約数和(自身を含む): 870664704

約数和(自身を除く): 592607724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 49831, 99662, 149493, 199324, 249155, 298986, 448479, 498310, 597972, 747465, 896958, 996620, 1494930, 1544761, 1793916, 2242395, 2989860, 3089522, 4484790, 4634283, 6179044, 7723805, 8969580, 9268566, 13902849, 15447610, 18537132, 23171415, 27805698, 30895220, 46342830, 55611396, 69514245, 92685660, 139028490, 278056980]

約数ペア:

[(1, 278056980), (2, 139028490), (3, 92685660), (4, 69514245), (5, 55611396), (6, 46342830), (9, 30895220), (10, 27805698), (12, 23171415), (15, 18537132), (18, 15447610), (20, 13902849), (30, 9268566), (31, 8969580), (36, 7723805), (45, 6179044), (60, 4634283), (62, 4484790), (90, 3089522), (93, 2989860), (124, 2242395), (155, 1793916), (180, 1544761), (186, 1494930), (279, 996620), (310, 896958), (372, 747465), (465, 597972), (558, 498310), (620, 448479), (930, 298986), (1116, 249155), (1395, 199324), (1860, 149493), (2790, 99662), (5580, 49831)]