171855630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1987}}^1$

素因数の和:2062

約数の個数: 72

約数和(自身を含む): 461935656

約数和(自身を除く): 290080026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 1395, 1922, 1987, 2790, 2883, 3974, 4805, 5766, 5961, 8649, 9610, 9935, 11922, 14415, 17298, 17883, 19870, 28830, 29805, 35766, 43245, 59610, 61597, 86490, 89415, 123194, 178830, 184791, 307985, 369582, 554373, 615970, 923955, 1108746, 1847910, 1909507, 2771865, 3819014, 5543730, 5728521, 9547535, 11457042, 17185563, 19095070, 28642605, 34371126, 57285210, 85927815, 171855630]

約数ペア:

[(1, 171855630), (2, 85927815), (3, 57285210), (5, 34371126), (6, 28642605), (9, 19095070), (10, 17185563), (15, 11457042), (18, 9547535), (30, 5728521), (31, 5543730), (45, 3819014), (62, 2771865), (90, 1909507), (93, 1847910), (155, 1108746), (186, 923955), (279, 615970), (310, 554373), (465, 369582), (558, 307985), (930, 184791), (961, 178830), (1395, 123194), (1922, 89415), (1987, 86490), (2790, 61597), (2883, 59610), (3974, 43245), (4805, 35766), (5766, 29805), (5961, 28830), (8649, 19870), (9610, 17883), (9935, 17298), (11922, 14415)]