122385520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 298909440

約数和(自身を除く): 176523920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 809, 976, 1220, 1240, 1618, 1891, 2440, 2480, 3236, 3782, 4045, 4880, 6472, 7564, 8090, 9455, 12944, 15128, 16180, 18910, 25079, 30256, 32360, 37820, 49349, 50158, 64720, 75640, 98698, 100316, 125395, 151280, 197396, 200632, 246745, 250790, 394792, 401264, 493490, 501580, 789584, 986980, 1003160, 1529819, 1973960, 2006320, 3059638, 3947920, 6119276, 7649095, 12238552, 15298190, 24477104, 30596380, 61192760, 122385520]

約数ペア:

[(1, 122385520), (2, 61192760), (4, 30596380), (5, 24477104), (8, 15298190), (10, 12238552), (16, 7649095), (20, 6119276), (31, 3947920), (40, 3059638), (61, 2006320), (62, 1973960), (80, 1529819), (122, 1003160), (124, 986980), (155, 789584), (244, 501580), (248, 493490), (305, 401264), (310, 394792), (488, 250790), (496, 246745), (610, 200632), (620, 197396), (809, 151280), (976, 125395), (1220, 100316), (1240, 98698), (1618, 75640), (1891, 64720), (2440, 50158), (2480, 49349), (3236, 37820), (3782, 32360), (4045, 30256), (4880, 25079), (6472, 18910), (7564, 16180), (8090, 15128), (9455, 12944)]