123956755280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3917}}^1\times {\mathrm{23269}}^1$

素因数の和:27216

約数の個数: 80

約数和(自身を含む): 305243387280

約数和(自身を除く): 181286632000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3917, 7834, 15668, 19585, 23269, 31336, 39170, 46538, 62672, 66589, 78340, 93076, 116345, 133178, 156680, 186152, 232690, 266356, 313360, 332945, 372304, 395573, 465380, 532712, 665890, 791146, 930760, 1065424, 1331780, 1582292, 1861520, 1977865, 2663560, 3164584, 3955730, 5327120, 6329168, 7911460, 15822920, 31645840, 91144673, 182289346, 364578692, 455723365, 729157384, 911446730, 1458314768, 1549459441, 1822893460, 3098918882, 3645786920, 6197837764, 7291573840, 7747297205, 12395675528, 15494594410, 24791351056, 30989188820, 61978377640, 123956755280]

約数ペア:

[(1, 123956755280), (2, 61978377640), (4, 30989188820), (5, 24791351056), (8, 15494594410), (10, 12395675528), (16, 7747297205), (17, 7291573840), (20, 6197837764), (34, 3645786920), (40, 3098918882), (68, 1822893460), (80, 1549459441), (85, 1458314768), (136, 911446730), (170, 729157384), (272, 455723365), (340, 364578692), (680, 182289346), (1360, 91144673), (3917, 31645840), (7834, 15822920), (15668, 7911460), (19585, 6329168), (23269, 5327120), (31336, 3955730), (39170, 3164584), (46538, 2663560), (62672, 1977865), (66589, 1861520), (78340, 1582292), (93076, 1331780), (116345, 1065424), (133178, 930760), (156680, 791146), (186152, 665890), (232690, 532712), (266356, 465380), (313360, 395573), (332945, 372304)]