245537360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 593628672

約数和(自身を除く): 348091312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 547, 620, 724, 905, 1094, 1240, 1448, 1810, 2188, 2480, 2735, 2896, 3620, 4376, 5470, 5611, 7240, 8752, 10940, 11222, 14480, 16957, 21880, 22444, 28055, 33914, 43760, 44888, 56110, 67828, 84785, 89776, 99007, 112220, 135656, 169570, 198014, 224440, 271312, 339140, 396028, 448880, 495035, 678280, 792056, 990070, 1356560, 1584112, 1980140, 3069217, 3960280, 6138434, 7920560, 12276868, 15346085, 24553736, 30692170, 49107472, 61384340, 122768680, 245537360]

約数ペア:

[(1, 245537360), (2, 122768680), (4, 61384340), (5, 49107472), (8, 30692170), (10, 24553736), (16, 15346085), (20, 12276868), (31, 7920560), (40, 6138434), (62, 3960280), (80, 3069217), (124, 1980140), (155, 1584112), (181, 1356560), (248, 990070), (310, 792056), (362, 678280), (496, 495035), (547, 448880), (620, 396028), (724, 339140), (905, 271312), (1094, 224440), (1240, 198014), (1448, 169570), (1810, 135656), (2188, 112220), (2480, 99007), (2735, 89776), (2896, 84785), (3620, 67828), (4376, 56110), (5470, 44888), (5611, 43760), (7240, 33914), (8752, 28055), (10940, 22444), (11222, 21880), (14480, 16957)]