320599120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1060

約数の個数: 80

約数和(自身を含む): 769450752

約数和(自身を除く): 448851632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 83, 106, 166, 212, 265, 332, 415, 424, 530, 664, 830, 848, 911, 1060, 1328, 1660, 1822, 2120, 3320, 3644, 4240, 4399, 4555, 6640, 7288, 8798, 9110, 14576, 17596, 18220, 21995, 35192, 36440, 43990, 48283, 70384, 72880, 75613, 87980, 96566, 151226, 175960, 193132, 241415, 302452, 351920, 378065, 386264, 482830, 604904, 756130, 772528, 965660, 1209808, 1512260, 1931320, 3024520, 3862640, 4007489, 6049040, 8014978, 16029956, 20037445, 32059912, 40074890, 64119824, 80149780, 160299560, 320599120]

約数ペア:

[(1, 320599120), (2, 160299560), (4, 80149780), (5, 64119824), (8, 40074890), (10, 32059912), (16, 20037445), (20, 16029956), (40, 8014978), (53, 6049040), (80, 4007489), (83, 3862640), (106, 3024520), (166, 1931320), (212, 1512260), (265, 1209808), (332, 965660), (415, 772528), (424, 756130), (530, 604904), (664, 482830), (830, 386264), (848, 378065), (911, 351920), (1060, 302452), (1328, 241415), (1660, 193132), (1822, 175960), (2120, 151226), (3320, 96566), (3644, 87980), (4240, 75613), (4399, 72880), (4555, 70384), (6640, 48283), (7288, 43990), (8798, 36440), (9110, 35192), (14576, 21995), (17596, 18220)]