81790440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1299

約数の個数: 128

約数和(自身を含む): 267408000

約数和(自身を除く): 185617560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 551, 570, 580, 696, 760, 870, 1102, 1140, 1160, 1237, 1653, 1740, 2204, 2280, 2474, 2755, 3306, 3480, 3711, 4408, 4948, 5510, 6185, 6612, 7422, 8265, 9896, 11020, 12370, 13224, 14844, 16530, 18555, 22040, 23503, 24740, 29688, 33060, 35873, 37110, 47006, 49480, 66120, 70509, 71746, 74220, 94012, 107619, 117515, 141018, 143492, 148440, 179365, 188024, 215238, 235030, 282036, 286984, 352545, 358730, 430476, 470060, 538095, 564072, 681587, 705090, 717460, 860952, 940120, 1076190, 1363174, 1410180, 1434920, 2044761, 2152380, 2726348, 2820360, 3407935, 4089522, 4304760, 5452696, 6815870, 8179044, 10223805, 13631740, 16358088, 20447610, 27263480, 40895220, 81790440]

約数ペア:

[(1, 81790440), (2, 40895220), (3, 27263480), (4, 20447610), (5, 16358088), (6, 13631740), (8, 10223805), (10, 8179044), (12, 6815870), (15, 5452696), (19, 4304760), (20, 4089522), (24, 3407935), (29, 2820360), (30, 2726348), (38, 2152380), (40, 2044761), (57, 1434920), (58, 1410180), (60, 1363174), (76, 1076190), (87, 940120), (95, 860952), (114, 717460), (116, 705090), (120, 681587), (145, 564072), (152, 538095), (174, 470060), (190, 430476), (228, 358730), (232, 352545), (285, 286984), (290, 282036), (348, 235030), (380, 215238), (435, 188024), (456, 179365), (551, 148440), (570, 143492), (580, 141018), (696, 117515), (760, 107619), (870, 94012), (1102, 74220), (1140, 71746), (1160, 70509), (1237, 66120), (1653, 49480), (1740, 47006), (2204, 37110), (2280, 35873), (2474, 33060), (2755, 29688), (3306, 24740), (3480, 23503), (3711, 22040), (4408, 18555), (4948, 16530), (5510, 14844), (6185, 13224), (6612, 12370), (7422, 11020), (8265, 9896)]