778141280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2099}}^1$

素因数の和:2452

約数の個数: 96

約数和(自身を含む): 2108332800

約数和(自身を除く): 1330191520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 331, 560, 662, 1120, 1324, 1655, 2099, 2317, 2648, 3310, 4198, 4634, 5296, 6620, 8396, 9268, 10495, 10592, 11585, 13240, 14693, 16792, 18536, 20990, 23170, 26480, 29386, 33584, 37072, 41980, 46340, 52960, 58772, 67168, 73465, 74144, 83960, 92680, 117544, 146930, 167920, 185360, 235088, 293860, 335840, 370720, 470176, 587720, 694769, 1175440, 1389538, 2350880, 2779076, 3473845, 4863383, 5558152, 6947690, 9726766, 11116304, 13895380, 19453532, 22232608, 24316915, 27790760, 38907064, 48633830, 55581520, 77814128, 97267660, 111163040, 155628256, 194535320, 389070640, 778141280]

約数ペア:

[(1, 778141280), (2, 389070640), (4, 194535320), (5, 155628256), (7, 111163040), (8, 97267660), (10, 77814128), (14, 55581520), (16, 48633830), (20, 38907064), (28, 27790760), (32, 24316915), (35, 22232608), (40, 19453532), (56, 13895380), (70, 11116304), (80, 9726766), (112, 6947690), (140, 5558152), (160, 4863383), (224, 3473845), (280, 2779076), (331, 2350880), (560, 1389538), (662, 1175440), (1120, 694769), (1324, 587720), (1655, 470176), (2099, 370720), (2317, 335840), (2648, 293860), (3310, 235088), (4198, 185360), (4634, 167920), (5296, 146930), (6620, 117544), (8396, 92680), (9268, 83960), (10495, 74144), (10592, 73465), (11585, 67168), (13240, 58772), (14693, 52960), (16792, 46340), (18536, 41980), (20990, 37072), (23170, 33584), (26480, 29386)]