161775460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 442411200

約数和(自身を除く): 280635740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 49, 55, 70, 77, 86, 98, 110, 140, 154, 172, 196, 215, 220, 245, 301, 308, 349, 385, 430, 473, 490, 539, 602, 698, 770, 860, 946, 980, 1078, 1204, 1396, 1505, 1540, 1745, 1892, 2107, 2156, 2365, 2443, 2695, 3010, 3311, 3490, 3839, 4214, 4730, 4886, 5390, 6020, 6622, 6980, 7678, 8428, 9460, 9772, 10535, 10780, 12215, 13244, 15007, 15356, 16555, 17101, 19195, 21070, 23177, 24430, 26873, 30014, 33110, 34202, 38390, 42140, 46354, 48860, 53746, 60028, 66220, 68404, 75035, 76780, 85505, 92708, 105049, 107492, 115885, 134365, 150070, 165077, 171010, 188111, 210098, 231770, 268730, 300140, 330154, 342020, 376222, 420196, 463540, 525245, 537460, 660308, 735343, 752444, 825385, 940555, 1050490, 1155539, 1470686, 1650770, 1881110, 2100980, 2311078, 2941372, 3301540, 3676715, 3762220, 4622156, 5777695, 7353430, 8088773, 11555390, 14706860, 16177546, 23110780, 32355092, 40443865, 80887730, 161775460]

約数ペア:

[(1, 161775460), (2, 80887730), (4, 40443865), (5, 32355092), (7, 23110780), (10, 16177546), (11, 14706860), (14, 11555390), (20, 8088773), (22, 7353430), (28, 5777695), (35, 4622156), (43, 3762220), (44, 3676715), (49, 3301540), (55, 2941372), (70, 2311078), (77, 2100980), (86, 1881110), (98, 1650770), (110, 1470686), (140, 1155539), (154, 1050490), (172, 940555), (196, 825385), (215, 752444), (220, 735343), (245, 660308), (301, 537460), (308, 525245), (349, 463540), (385, 420196), (430, 376222), (473, 342020), (490, 330154), (539, 300140), (602, 268730), (698, 231770), (770, 210098), (860, 188111), (946, 171010), (980, 165077), (1078, 150070), (1204, 134365), (1396, 115885), (1505, 107492), (1540, 105049), (1745, 92708), (1892, 85505), (2107, 76780), (2156, 75035), (2365, 68404), (2443, 66220), (2695, 60028), (3010, 53746), (3311, 48860), (3490, 46354), (3839, 42140), (4214, 38390), (4730, 34202), (4886, 33110), (5390, 30014), (6020, 26873), (6622, 24430), (6980, 23177), (7678, 21070), (8428, 19195), (9460, 17101), (9772, 16555), (10535, 15356), (10780, 15007), (12215, 13244)]