158969960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 384733800

約数和(自身を除く): 225763840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 109, 152, 190, 202, 218, 361, 380, 404, 436, 505, 545, 722, 760, 808, 872, 1010, 1090, 1444, 1805, 1919, 2020, 2071, 2180, 2888, 3610, 3838, 4040, 4142, 4360, 7220, 7676, 8284, 9595, 10355, 11009, 14440, 15352, 16568, 19190, 20710, 22018, 36461, 38380, 39349, 41420, 44036, 55045, 72922, 76760, 78698, 82840, 88072, 110090, 145844, 157396, 182305, 196745, 209171, 220180, 291688, 314792, 364610, 393490, 418342, 440360, 729220, 786980, 836684, 1045855, 1458440, 1573960, 1673368, 2091710, 3974249, 4183420, 7948498, 8366840, 15896996, 19871245, 31793992, 39742490, 79484980, 158969960]

約数ペア:

[(1, 158969960), (2, 79484980), (4, 39742490), (5, 31793992), (8, 19871245), (10, 15896996), (19, 8366840), (20, 7948498), (38, 4183420), (40, 3974249), (76, 2091710), (95, 1673368), (101, 1573960), (109, 1458440), (152, 1045855), (190, 836684), (202, 786980), (218, 729220), (361, 440360), (380, 418342), (404, 393490), (436, 364610), (505, 314792), (545, 291688), (722, 220180), (760, 209171), (808, 196745), (872, 182305), (1010, 157396), (1090, 145844), (1444, 110090), (1805, 88072), (1919, 82840), (2020, 78698), (2071, 76760), (2180, 72922), (2888, 55045), (3610, 44036), (3838, 41420), (4040, 39349), (4142, 38380), (4360, 36461), (7220, 22018), (7676, 20710), (8284, 19190), (9595, 16568), (10355, 15352), (11009, 14440)]