309485520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1021}}^1$

素因数の和:1461

約数の個数: 120

約数和(自身を含む): 1042844712

約数和(自身を除く): 733359192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 421, 720, 842, 1021, 1263, 1684, 2042, 2105, 2526, 3063, 3368, 3789, 4084, 4210, 5052, 5105, 6126, 6315, 6736, 7578, 8168, 8420, 9189, 10104, 10210, 12252, 12630, 15156, 15315, 16336, 16840, 18378, 18945, 20208, 20420, 24504, 25260, 30312, 30630, 33680, 36756, 37890, 40840, 45945, 49008, 50520, 60624, 61260, 73512, 75780, 81680, 91890, 101040, 122520, 147024, 151560, 183780, 245040, 303120, 367560, 429841, 735120, 859682, 1289523, 1719364, 2149205, 2579046, 3438728, 3868569, 4298410, 5158092, 6447615, 6877456, 7737138, 8596820, 10316184, 12895230, 15474276, 17193640, 19342845, 20632368, 25790460, 30948552, 34387280, 38685690, 51580920, 61897104, 77371380, 103161840, 154742760, 309485520]

約数ペア:

[(1, 309485520), (2, 154742760), (3, 103161840), (4, 77371380), (5, 61897104), (6, 51580920), (8, 38685690), (9, 34387280), (10, 30948552), (12, 25790460), (15, 20632368), (16, 19342845), (18, 17193640), (20, 15474276), (24, 12895230), (30, 10316184), (36, 8596820), (40, 7737138), (45, 6877456), (48, 6447615), (60, 5158092), (72, 4298410), (80, 3868569), (90, 3438728), (120, 2579046), (144, 2149205), (180, 1719364), (240, 1289523), (360, 859682), (421, 735120), (720, 429841), (842, 367560), (1021, 303120), (1263, 245040), (1684, 183780), (2042, 151560), (2105, 147024), (2526, 122520), (3063, 101040), (3368, 91890), (3789, 81680), (4084, 75780), (4210, 73512), (5052, 61260), (5105, 60624), (6126, 50520), (6315, 49008), (6736, 45945), (7578, 40840), (8168, 37890), (8420, 36756), (9189, 33680), (10104, 30630), (10210, 30312), (12252, 25260), (12630, 24504), (15156, 20420), (15315, 20208), (16336, 18945), (16840, 18378)]