160821700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 419973120

約数和(自身を除く): 259151420

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 25, 26, 34, 38, 50, 52, 65, 68, 76, 85, 95, 100, 130, 170, 190, 221, 247, 260, 323, 325, 340, 380, 383, 425, 442, 475, 494, 646, 650, 766, 850, 884, 950, 988, 1105, 1235, 1292, 1300, 1532, 1615, 1700, 1900, 1915, 2210, 2470, 3230, 3830, 4199, 4420, 4940, 4979, 5525, 6175, 6460, 6511, 7277, 7660, 8075, 8398, 9575, 9958, 11050, 12350, 13022, 14554, 16150, 16796, 19150, 19916, 20995, 22100, 24700, 24895, 26044, 29108, 32300, 32555, 36385, 38300, 41990, 49790, 65110, 72770, 83980, 84643, 94601, 99580, 104975, 123709, 124475, 130220, 145540, 162775, 169286, 181925, 189202, 209950, 247418, 248950, 325550, 338572, 363850, 378404, 419900, 423215, 473005, 494836, 497900, 618545, 651100, 727700, 846430, 946010, 1237090, 1608217, 1692860, 1892020, 2116075, 2365025, 2474180, 3092725, 3216434, 4232150, 4730050, 6185450, 6432868, 8041085, 8464300, 9460100, 12370900, 16082170, 32164340, 40205425, 80410850, 160821700]

約数ペア:

[(1, 160821700), (2, 80410850), (4, 40205425), (5, 32164340), (10, 16082170), (13, 12370900), (17, 9460100), (19, 8464300), (20, 8041085), (25, 6432868), (26, 6185450), (34, 4730050), (38, 4232150), (50, 3216434), (52, 3092725), (65, 2474180), (68, 2365025), (76, 2116075), (85, 1892020), (95, 1692860), (100, 1608217), (130, 1237090), (170, 946010), (190, 846430), (221, 727700), (247, 651100), (260, 618545), (323, 497900), (325, 494836), (340, 473005), (380, 423215), (383, 419900), (425, 378404), (442, 363850), (475, 338572), (494, 325550), (646, 248950), (650, 247418), (766, 209950), (850, 189202), (884, 181925), (950, 169286), (988, 162775), (1105, 145540), (1235, 130220), (1292, 124475), (1300, 123709), (1532, 104975), (1615, 99580), (1700, 94601), (1900, 84643), (1915, 83980), (2210, 72770), (2470, 65110), (3230, 49790), (3830, 41990), (4199, 38300), (4420, 36385), (4940, 32555), (4979, 32300), (5525, 29108), (6175, 26044), (6460, 24895), (6511, 24700), (7277, 22100), (7660, 20995), (8075, 19916), (8398, 19150), (9575, 16796), (9958, 16150), (11050, 14554), (12350, 13022)]