78915720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50587}}^1$

素因数の和:50614

約数の個数: 64

約数和(自身を含む): 254963520

約数和(自身を除く): 176047800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 50587, 101174, 151761, 202348, 252935, 303522, 404696, 505870, 607044, 657631, 758805, 1011740, 1214088, 1315262, 1517610, 1972893, 2023480, 2630524, 3035220, 3288155, 3945786, 5261048, 6070440, 6576310, 7891572, 9864465, 13152620, 15783144, 19728930, 26305240, 39457860, 78915720]

約数ペア:

[(1, 78915720), (2, 39457860), (3, 26305240), (4, 19728930), (5, 15783144), (6, 13152620), (8, 9864465), (10, 7891572), (12, 6576310), (13, 6070440), (15, 5261048), (20, 3945786), (24, 3288155), (26, 3035220), (30, 2630524), (39, 2023480), (40, 1972893), (52, 1517610), (60, 1315262), (65, 1214088), (78, 1011740), (104, 758805), (120, 657631), (130, 607044), (156, 505870), (195, 404696), (260, 303522), (312, 252935), (390, 202348), (520, 151761), (780, 101174), (1560, 50587)]