81273960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3701}}^1$

素因数の和:3779

約数の個数: 96

約数和(自身を含む): 268543080

約数和(自身を除く): 187269120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 3701, 4392, 5490, 7320, 7402, 10980, 11103, 14804, 18505, 21960, 22206, 29608, 33309, 37010, 44412, 55515, 66618, 74020, 88824, 111030, 133236, 148040, 166545, 222060, 225761, 266472, 333090, 444120, 451522, 666180, 677283, 903044, 1128805, 1332360, 1354566, 1806088, 2031849, 2257610, 2709132, 3386415, 4063698, 4515220, 5418264, 6772830, 8127396, 9030440, 10159245, 13545660, 16254792, 20318490, 27091320, 40636980, 81273960]

約数ペア:

[(1, 81273960), (2, 40636980), (3, 27091320), (4, 20318490), (5, 16254792), (6, 13545660), (8, 10159245), (9, 9030440), (10, 8127396), (12, 6772830), (15, 5418264), (18, 4515220), (20, 4063698), (24, 3386415), (30, 2709132), (36, 2257610), (40, 2031849), (45, 1806088), (60, 1354566), (61, 1332360), (72, 1128805), (90, 903044), (120, 677283), (122, 666180), (180, 451522), (183, 444120), (244, 333090), (305, 266472), (360, 225761), (366, 222060), (488, 166545), (549, 148040), (610, 133236), (732, 111030), (915, 88824), (1098, 74020), (1220, 66618), (1464, 55515), (1830, 44412), (2196, 37010), (2440, 33309), (2745, 29608), (3660, 22206), (3701, 21960), (4392, 18505), (5490, 14804), (7320, 11103), (7402, 10980)]