815723020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:983

約数の個数: 96

約数和(自身を含む): 2034708480

約数和(自身を除く): 1218985460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 331, 406, 580, 607, 662, 812, 1015, 1214, 1324, 1655, 2030, 2317, 2428, 3035, 3310, 4060, 4249, 4634, 6070, 6620, 8498, 9268, 9599, 11585, 12140, 16996, 17603, 19198, 21245, 23170, 35206, 38396, 42490, 46340, 47995, 67193, 70412, 84980, 88015, 95990, 123221, 134386, 176030, 191980, 200917, 246442, 268772, 335965, 352060, 401834, 492884, 616105, 671930, 803668, 1004585, 1232210, 1343860, 1406419, 2009170, 2464420, 2812838, 4018340, 5625676, 5826593, 7032095, 11653186, 14064190, 23306372, 28128380, 29132965, 40786151, 58265930, 81572302, 116531860, 163144604, 203930755, 407861510, 815723020]

約数ペア:

[(1, 815723020), (2, 407861510), (4, 203930755), (5, 163144604), (7, 116531860), (10, 81572302), (14, 58265930), (20, 40786151), (28, 29132965), (29, 28128380), (35, 23306372), (58, 14064190), (70, 11653186), (116, 7032095), (140, 5826593), (145, 5625676), (203, 4018340), (290, 2812838), (331, 2464420), (406, 2009170), (580, 1406419), (607, 1343860), (662, 1232210), (812, 1004585), (1015, 803668), (1214, 671930), (1324, 616105), (1655, 492884), (2030, 401834), (2317, 352060), (2428, 335965), (3035, 268772), (3310, 246442), (4060, 200917), (4249, 191980), (4634, 176030), (6070, 134386), (6620, 123221), (8498, 95990), (9268, 88015), (9599, 84980), (11585, 70412), (12140, 67193), (16996, 47995), (17603, 46340), (19198, 42490), (21245, 38396), (23170, 35206)]