68998015520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61605371}}^1$

素因数の和:61605393

約数の個数: 48

約数和(自身を含む): 186294644928

約数和(自身を除く): 117296629408

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, 560, 1120, 61605371, 123210742, 246421484, 308026855, 431237597, 492842968, 616053710, 862475194, 985685936, 1232107420, 1724950388, 1971371872, 2156187985, 2464214840, 3449900776, 4312375970, 4928429680, 6899801552, 8624751940, 9856859360, 13799603104, 17249503880, 34499007760, 68998015520]

約数ペア:

[(1, 68998015520), (2, 34499007760), (4, 17249503880), (5, 13799603104), (7, 9856859360), (8, 8624751940), (10, 6899801552), (14, 4928429680), (16, 4312375970), (20, 3449900776), (28, 2464214840), (32, 2156187985), (35, 1971371872), (40, 1724950388), (56, 1232107420), (70, 985685936), (80, 862475194), (112, 616053710), (140, 492842968), (160, 431237597), (224, 308026855), (280, 246421484), (560, 123210742), (1120, 61605371)]