11951120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 29521920

約数和(自身を除く): 17570800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 79, 80, 122, 124, 155, 158, 244, 248, 305, 310, 316, 395, 488, 496, 610, 620, 632, 790, 976, 1220, 1240, 1264, 1580, 1891, 2440, 2449, 2480, 3160, 3782, 4819, 4880, 4898, 6320, 7564, 9455, 9638, 9796, 12245, 15128, 18910, 19276, 19592, 24095, 24490, 30256, 37820, 38552, 39184, 48190, 48980, 75640, 77104, 96380, 97960, 149389, 151280, 192760, 195920, 298778, 385520, 597556, 746945, 1195112, 1493890, 2390224, 2987780, 5975560, 11951120]

約数ペア:

[(1, 11951120), (2, 5975560), (4, 2987780), (5, 2390224), (8, 1493890), (10, 1195112), (16, 746945), (20, 597556), (31, 385520), (40, 298778), (61, 195920), (62, 192760), (79, 151280), (80, 149389), (122, 97960), (124, 96380), (155, 77104), (158, 75640), (244, 48980), (248, 48190), (305, 39184), (310, 38552), (316, 37820), (395, 30256), (488, 24490), (496, 24095), (610, 19592), (620, 19276), (632, 18910), (790, 15128), (976, 12245), (1220, 9796), (1240, 9638), (1264, 9455), (1580, 7564), (1891, 6320), (2440, 4898), (2449, 4880), (2480, 4819), (3160, 3782)]