15679861990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{71837}}^1$

素因数の和:71953

約数の個数: 64

約数和(自身を含む): 32151240576

約数和(自身を除く): 16471378586

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 73, 115, 130, 146, 230, 299, 365, 598, 730, 949, 1495, 1679, 1898, 2990, 3358, 4745, 8395, 9490, 16790, 21827, 43654, 71837, 109135, 143674, 218270, 359185, 718370, 933881, 1652251, 1867762, 3304502, 4669405, 5244101, 8261255, 9338810, 10488202, 16522510, 21479263, 26220505, 42958526, 52441010, 68173313, 107396315, 120614323, 136346626, 214792630, 241228646, 340866565, 603071615, 681733130, 1206143230, 1567986199, 3135972398, 7839930995, 15679861990]

約数ペア:

[(1, 15679861990), (2, 7839930995), (5, 3135972398), (10, 1567986199), (13, 1206143230), (23, 681733130), (26, 603071615), (46, 340866565), (65, 241228646), (73, 214792630), (115, 136346626), (130, 120614323), (146, 107396315), (230, 68173313), (299, 52441010), (365, 42958526), (598, 26220505), (730, 21479263), (949, 16522510), (1495, 10488202), (1679, 9338810), (1898, 8261255), (2990, 5244101), (3358, 4669405), (4745, 3304502), (8395, 1867762), (9490, 1652251), (16790, 933881), (21827, 718370), (43654, 359185), (71837, 218270), (109135, 143674)]