1540227320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{21841}}^1$

素因数の和:21936

約数の個数: 64

約数和(自身を含む): 3632761440

約数和(自身を除く): 2092534120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 14104, 17630, 21841, 35260, 43682, 70520, 87364, 109205, 174728, 218410, 436820, 873640, 895481, 939163, 1790962, 1878326, 3581924, 3756652, 4477405, 4695815, 7163848, 7513304, 8954810, 9391630, 17909620, 18783260, 35819240, 37566520, 38505683, 77011366, 154022732, 192528415, 308045464, 385056830, 770113660, 1540227320]

約数ペア:

[(1, 1540227320), (2, 770113660), (4, 385056830), (5, 308045464), (8, 192528415), (10, 154022732), (20, 77011366), (40, 38505683), (41, 37566520), (43, 35819240), (82, 18783260), (86, 17909620), (164, 9391630), (172, 8954810), (205, 7513304), (215, 7163848), (328, 4695815), (344, 4477405), (410, 3756652), (430, 3581924), (820, 1878326), (860, 1790962), (1640, 939163), (1720, 895481), (1763, 873640), (3526, 436820), (7052, 218410), (8815, 174728), (14104, 109205), (17630, 87364), (21841, 70520), (35260, 43682)]