179689840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 120

約数和(自身を含む): 483875280

約数和(自身を除く): 304185440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 484, 605, 760, 836, 880, 968, 977, 1045, 1210, 1520, 1672, 1936, 1954, 2090, 2299, 2420, 3344, 3908, 4180, 4598, 4840, 4885, 7816, 8360, 9196, 9680, 9770, 10747, 11495, 15632, 16720, 18392, 18563, 19540, 21494, 22990, 36784, 37126, 39080, 42988, 45980, 53735, 74252, 78160, 85976, 91960, 92815, 107470, 118217, 148504, 171952, 183920, 185630, 204193, 214940, 236434, 297008, 371260, 408386, 429880, 472868, 591085, 742520, 816772, 859760, 945736, 1020965, 1182170, 1485040, 1633544, 1891472, 2041930, 2246123, 2364340, 3267088, 4083860, 4492246, 4728680, 8167720, 8984492, 9457360, 11230615, 16335440, 17968984, 22461230, 35937968, 44922460, 89844920, 179689840]

約数ペア:

[(1, 179689840), (2, 89844920), (4, 44922460), (5, 35937968), (8, 22461230), (10, 17968984), (11, 16335440), (16, 11230615), (19, 9457360), (20, 8984492), (22, 8167720), (38, 4728680), (40, 4492246), (44, 4083860), (55, 3267088), (76, 2364340), (80, 2246123), (88, 2041930), (95, 1891472), (110, 1633544), (121, 1485040), (152, 1182170), (176, 1020965), (190, 945736), (209, 859760), (220, 816772), (242, 742520), (304, 591085), (380, 472868), (418, 429880), (440, 408386), (484, 371260), (605, 297008), (760, 236434), (836, 214940), (880, 204193), (968, 185630), (977, 183920), (1045, 171952), (1210, 148504), (1520, 118217), (1672, 107470), (1936, 92815), (1954, 91960), (2090, 85976), (2299, 78160), (2420, 74252), (3344, 53735), (3908, 45980), (4180, 42988), (4598, 39080), (4840, 37126), (4885, 36784), (7816, 22990), (8360, 21494), (9196, 19540), (9680, 18563), (9770, 18392), (10747, 16720), (11495, 15632)]