80842020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2801

約数の個数: 96

約数和(自身を含む): 262434816

約数和(自身を除く): 181592796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2711, 2982, 4260, 4970, 5422, 5964, 7455, 8133, 9940, 10844, 13555, 14910, 16266, 18977, 27110, 29820, 32532, 37954, 40665, 54220, 56931, 75908, 81330, 94885, 113862, 162660, 189770, 192481, 227724, 284655, 379540, 384962, 569310, 577443, 769924, 962405, 1138620, 1154886, 1347367, 1924810, 2309772, 2694734, 2887215, 3849620, 4042101, 5389468, 5774430, 6736835, 8084202, 11548860, 13473670, 16168404, 20210505, 26947340, 40421010, 80842020]

約数ペア:

[(1, 80842020), (2, 40421010), (3, 26947340), (4, 20210505), (5, 16168404), (6, 13473670), (7, 11548860), (10, 8084202), (12, 6736835), (14, 5774430), (15, 5389468), (20, 4042101), (21, 3849620), (28, 2887215), (30, 2694734), (35, 2309772), (42, 1924810), (60, 1347367), (70, 1154886), (71, 1138620), (84, 962405), (105, 769924), (140, 577443), (142, 569310), (210, 384962), (213, 379540), (284, 284655), (355, 227724), (420, 192481), (426, 189770), (497, 162660), (710, 113862), (852, 94885), (994, 81330), (1065, 75908), (1420, 56931), (1491, 54220), (1988, 40665), (2130, 37954), (2485, 32532), (2711, 29820), (2982, 27110), (4260, 18977), (4970, 16266), (5422, 14910), (5964, 13555), (7455, 10844), (8133, 9940)]