215844680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 531878400

約数和(自身を除く): 316033720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 47, 58, 74, 94, 107, 116, 145, 148, 185, 188, 214, 232, 235, 290, 296, 370, 376, 428, 470, 535, 580, 740, 856, 940, 1070, 1073, 1160, 1363, 1480, 1739, 1880, 2140, 2146, 2726, 3103, 3478, 3959, 4280, 4292, 5029, 5365, 5452, 6206, 6815, 6956, 7918, 8584, 8695, 10058, 10730, 10904, 12412, 13630, 13912, 15515, 15836, 17390, 19795, 20116, 21460, 24824, 25145, 27260, 31030, 31672, 34780, 39590, 40232, 42920, 50290, 50431, 54520, 62060, 69560, 79180, 100580, 100862, 114811, 124120, 145841, 158360, 186073, 201160, 201724, 229622, 252155, 291682, 372146, 403448, 459244, 504310, 574055, 583364, 729205, 744292, 918488, 930365, 1008620, 1148110, 1166728, 1458410, 1488584, 1860730, 2017240, 2296220, 2916820, 3721460, 4592440, 5396117, 5833640, 7442920, 10792234, 21584468, 26980585, 43168936, 53961170, 107922340, 215844680]

約数ペア:

[(1, 215844680), (2, 107922340), (4, 53961170), (5, 43168936), (8, 26980585), (10, 21584468), (20, 10792234), (29, 7442920), (37, 5833640), (40, 5396117), (47, 4592440), (58, 3721460), (74, 2916820), (94, 2296220), (107, 2017240), (116, 1860730), (145, 1488584), (148, 1458410), (185, 1166728), (188, 1148110), (214, 1008620), (232, 930365), (235, 918488), (290, 744292), (296, 729205), (370, 583364), (376, 574055), (428, 504310), (470, 459244), (535, 403448), (580, 372146), (740, 291682), (856, 252155), (940, 229622), (1070, 201724), (1073, 201160), (1160, 186073), (1363, 158360), (1480, 145841), (1739, 124120), (1880, 114811), (2140, 100862), (2146, 100580), (2726, 79180), (3103, 69560), (3478, 62060), (3959, 54520), (4280, 50431), (4292, 50290), (5029, 42920), (5365, 40232), (5452, 39590), (6206, 34780), (6815, 31672), (6956, 31030), (7918, 27260), (8584, 25145), (8695, 24824), (10058, 21460), (10730, 20116), (10904, 19795), (12412, 17390), (13630, 15836), (13912, 15515)]