168997120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4259}}^1$

素因数の和:4311

約数の個数: 72

約数和(自身を含む): 417957120

約数和(自身を除く): 248960000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4259, 4960, 7936, 8518, 9920, 17036, 19840, 21295, 34072, 39680, 42590, 68144, 85180, 132029, 136288, 170360, 264058, 272576, 340720, 528116, 545152, 660145, 681440, 1056232, 1090304, 1320290, 1362880, 2112464, 2640580, 2725760, 4224928, 5281160, 5451520, 8449856, 10562320, 16899712, 21124640, 33799424, 42249280, 84498560, 168997120]

約数ペア:

[(1, 168997120), (2, 84498560), (4, 42249280), (5, 33799424), (8, 21124640), (10, 16899712), (16, 10562320), (20, 8449856), (31, 5451520), (32, 5281160), (40, 4224928), (62, 2725760), (64, 2640580), (80, 2112464), (124, 1362880), (128, 1320290), (155, 1090304), (160, 1056232), (248, 681440), (256, 660145), (310, 545152), (320, 528116), (496, 340720), (620, 272576), (640, 264058), (992, 170360), (1240, 136288), (1280, 132029), (1984, 85180), (2480, 68144), (3968, 42590), (4259, 39680), (4960, 34072), (7936, 21295), (8518, 19840), (9920, 17036)]