78109360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1502

約数の個数: 80

約数和(自身を含む): 209754432

約数和(自身を除く): 131645072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1381, 1414, 1616, 2020, 2762, 2828, 3535, 4040, 5524, 5656, 6905, 7070, 8080, 9667, 11048, 11312, 13810, 14140, 19334, 22096, 27620, 28280, 38668, 48335, 55240, 56560, 77336, 96670, 110480, 139481, 154672, 193340, 278962, 386680, 557924, 697405, 773360, 976367, 1115848, 1394810, 1952734, 2231696, 2789620, 3905468, 4881835, 5579240, 7810936, 9763670, 11158480, 15621872, 19527340, 39054680, 78109360]

約数ペア:

[(1, 78109360), (2, 39054680), (4, 19527340), (5, 15621872), (7, 11158480), (8, 9763670), (10, 7810936), (14, 5579240), (16, 4881835), (20, 3905468), (28, 2789620), (35, 2231696), (40, 1952734), (56, 1394810), (70, 1115848), (80, 976367), (101, 773360), (112, 697405), (140, 557924), (202, 386680), (280, 278962), (404, 193340), (505, 154672), (560, 139481), (707, 110480), (808, 96670), (1010, 77336), (1381, 56560), (1414, 55240), (1616, 48335), (2020, 38668), (2762, 28280), (2828, 27620), (3535, 22096), (4040, 19334), (5524, 14140), (5656, 13810), (6905, 11312), (7070, 11048), (8080, 9667)]