161251956

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 433742400

約数和(自身を除く): 272490444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 79, 93, 118, 124, 158, 177, 186, 236, 237, 279, 316, 354, 372, 474, 531, 558, 708, 711, 948, 961, 1062, 1116, 1422, 1829, 1922, 2124, 2449, 2844, 2883, 3658, 3844, 4661, 4898, 5487, 5766, 7316, 7347, 8649, 9322, 9796, 10974, 11532, 13983, 14694, 16461, 17298, 18644, 21948, 22041, 27966, 29388, 32922, 34596, 41949, 44082, 55932, 56699, 65844, 75919, 83898, 88164, 113398, 144491, 151838, 167796, 170097, 226796, 227757, 288982, 303676, 340194, 433473, 455514, 510291, 577964, 680388, 683271, 866946, 911028, 1020582, 1300419, 1366542, 1733892, 2041164, 2600838, 2733084, 4479221, 5201676, 8958442, 13437663, 17916884, 26875326, 40312989, 53750652, 80625978, 161251956]

約数ペア:

[(1, 161251956), (2, 80625978), (3, 53750652), (4, 40312989), (6, 26875326), (9, 17916884), (12, 13437663), (18, 8958442), (31, 5201676), (36, 4479221), (59, 2733084), (62, 2600838), (79, 2041164), (93, 1733892), (118, 1366542), (124, 1300419), (158, 1020582), (177, 911028), (186, 866946), (236, 683271), (237, 680388), (279, 577964), (316, 510291), (354, 455514), (372, 433473), (474, 340194), (531, 303676), (558, 288982), (708, 227757), (711, 226796), (948, 170097), (961, 167796), (1062, 151838), (1116, 144491), (1422, 113398), (1829, 88164), (1922, 83898), (2124, 75919), (2449, 65844), (2844, 56699), (2883, 55932), (3658, 44082), (3844, 41949), (4661, 34596), (4898, 32922), (5487, 29388), (5766, 27966), (7316, 22041), (7347, 21948), (8649, 18644), (9322, 17298), (9796, 16461), (10974, 14694), (11532, 13983)]