178134640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 425392416

約数和(自身を除く): 247257776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 173, 211, 244, 305, 346, 422, 488, 610, 692, 844, 865, 976, 1055, 1220, 1384, 1688, 1730, 2110, 2440, 2768, 3376, 3460, 4220, 4880, 6920, 8440, 10553, 12871, 13840, 16880, 21106, 25742, 36503, 42212, 51484, 52765, 64355, 73006, 84424, 102968, 105530, 128710, 146012, 168848, 182515, 205936, 211060, 257420, 292024, 365030, 422120, 514840, 584048, 730060, 844240, 1029680, 1460120, 2226683, 2920240, 4453366, 8906732, 11133415, 17813464, 22266830, 35626928, 44533660, 89067320, 178134640]

約数ペア:

[(1, 178134640), (2, 89067320), (4, 44533660), (5, 35626928), (8, 22266830), (10, 17813464), (16, 11133415), (20, 8906732), (40, 4453366), (61, 2920240), (80, 2226683), (122, 1460120), (173, 1029680), (211, 844240), (244, 730060), (305, 584048), (346, 514840), (422, 422120), (488, 365030), (610, 292024), (692, 257420), (844, 211060), (865, 205936), (976, 182515), (1055, 168848), (1220, 146012), (1384, 128710), (1688, 105530), (1730, 102968), (2110, 84424), (2440, 73006), (2768, 64355), (3376, 52765), (3460, 51484), (4220, 42212), (4880, 36503), (6920, 25742), (8440, 21106), (10553, 16880), (12871, 13840)]