128776240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1270

約数の個数: 80

約数和(自身を含む): 316586880

約数和(自身を除く): 187810640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 376, 464, 470, 580, 752, 940, 1160, 1181, 1363, 1880, 2320, 2362, 2726, 3760, 4724, 5452, 5905, 6815, 9448, 10904, 11810, 13630, 18896, 21808, 23620, 27260, 34249, 47240, 54520, 55507, 68498, 94480, 109040, 111014, 136996, 171245, 222028, 273992, 277535, 342490, 444056, 547984, 555070, 684980, 888112, 1110140, 1369960, 1609703, 2220280, 2739920, 3219406, 4440560, 6438812, 8048515, 12877624, 16097030, 25755248, 32194060, 64388120, 128776240]

約数ペア:

[(1, 128776240), (2, 64388120), (4, 32194060), (5, 25755248), (8, 16097030), (10, 12877624), (16, 8048515), (20, 6438812), (29, 4440560), (40, 3219406), (47, 2739920), (58, 2220280), (80, 1609703), (94, 1369960), (116, 1110140), (145, 888112), (188, 684980), (232, 555070), (235, 547984), (290, 444056), (376, 342490), (464, 277535), (470, 273992), (580, 222028), (752, 171245), (940, 136996), (1160, 111014), (1181, 109040), (1363, 94480), (1880, 68498), (2320, 55507), (2362, 54520), (2726, 47240), (3760, 34249), (4724, 27260), (5452, 23620), (5905, 21808), (6815, 18896), (9448, 13630), (10904, 11810)]