168220880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2412

約数の個数: 80

約数和(自身を含む): 417830400

約数和(自身を除く): 249609520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2339, 2480, 3596, 4495, 4678, 7192, 8990, 9356, 11695, 14384, 17980, 18712, 23390, 35960, 37424, 46780, 67831, 71920, 72509, 93560, 135662, 145018, 187120, 271324, 290036, 339155, 362545, 542648, 580072, 678310, 725090, 1085296, 1160144, 1356620, 1450180, 2102761, 2713240, 2900360, 4205522, 5426480, 5800720, 8411044, 10513805, 16822088, 21027610, 33644176, 42055220, 84110440, 168220880]

約数ペア:

[(1, 168220880), (2, 84110440), (4, 42055220), (5, 33644176), (8, 21027610), (10, 16822088), (16, 10513805), (20, 8411044), (29, 5800720), (31, 5426480), (40, 4205522), (58, 2900360), (62, 2713240), (80, 2102761), (116, 1450180), (124, 1356620), (145, 1160144), (155, 1085296), (232, 725090), (248, 678310), (290, 580072), (310, 542648), (464, 362545), (496, 339155), (580, 290036), (620, 271324), (899, 187120), (1160, 145018), (1240, 135662), (1798, 93560), (2320, 72509), (2339, 71920), (2480, 67831), (3596, 46780), (4495, 37424), (4678, 35960), (7192, 23390), (8990, 18712), (9356, 17980), (11695, 14384)]