53628760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 126777600

約数和(自身を除く): 73148840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 709, 1220, 1240, 1418, 1891, 2440, 2836, 3545, 3782, 5672, 7090, 7564, 9455, 14180, 15128, 18910, 21979, 28360, 37820, 43249, 43958, 75640, 86498, 87916, 109895, 172996, 175832, 216245, 219790, 345992, 432490, 439580, 864980, 879160, 1340719, 1729960, 2681438, 5362876, 6703595, 10725752, 13407190, 26814380, 53628760]

約数ペア:

[(1, 53628760), (2, 26814380), (4, 13407190), (5, 10725752), (8, 6703595), (10, 5362876), (20, 2681438), (31, 1729960), (40, 1340719), (61, 879160), (62, 864980), (122, 439580), (124, 432490), (155, 345992), (244, 219790), (248, 216245), (305, 175832), (310, 172996), (488, 109895), (610, 87916), (620, 86498), (709, 75640), (1220, 43958), (1240, 43249), (1418, 37820), (1891, 28360), (2440, 21979), (2836, 18910), (3545, 15128), (3782, 14180), (5672, 9455), (7090, 7564)]