85145220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15259}}^1$

素因数の和:15305

約数の個数: 72

約数和(自身を含む): 266622720

約数和(自身を除く): 181477500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15259, 30518, 45777, 61036, 76295, 91554, 137331, 152590, 183108, 228885, 274662, 305180, 457770, 473029, 549324, 686655, 915540, 946058, 1373310, 1419087, 1892116, 2365145, 2746620, 2838174, 4257261, 4730290, 5676348, 7095435, 8514522, 9460580, 14190870, 17029044, 21286305, 28381740, 42572610, 85145220]

約数ペア:

[(1, 85145220), (2, 42572610), (3, 28381740), (4, 21286305), (5, 17029044), (6, 14190870), (9, 9460580), (10, 8514522), (12, 7095435), (15, 5676348), (18, 4730290), (20, 4257261), (30, 2838174), (31, 2746620), (36, 2365145), (45, 1892116), (60, 1419087), (62, 1373310), (90, 946058), (93, 915540), (124, 686655), (155, 549324), (180, 473029), (186, 457770), (279, 305180), (310, 274662), (372, 228885), (465, 183108), (558, 152590), (620, 137331), (930, 91554), (1116, 76295), (1395, 61036), (1860, 45777), (2790, 30518), (5580, 15259)]