172315980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30881}}^1$

素因数の和:30927

約数の個数: 72

約数和(自身を含む): 539570304

約数和(自身を除く): 367254324

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, 30881, 61762, 92643, 123524, 154405, 185286, 277929, 308810, 370572, 463215, 555858, 617620, 926430, 957311, 1111716, 1389645, 1852860, 1914622, 2779290, 2871933, 3829244, 4786555, 5558580, 5743866, 8615799, 9573110, 11487732, 14359665, 17231598, 19146220, 28719330, 34463196, 43078995, 57438660, 86157990, 172315980]

約数ペア:

[(1, 172315980), (2, 86157990), (3, 57438660), (4, 43078995), (5, 34463196), (6, 28719330), (9, 19146220), (10, 17231598), (12, 14359665), (15, 11487732), (18, 9573110), (20, 8615799), (30, 5743866), (31, 5558580), (36, 4786555), (45, 3829244), (60, 2871933), (62, 2779290), (90, 1914622), (93, 1852860), (124, 1389645), (155, 1111716), (180, 957311), (186, 926430), (279, 617620), (310, 555858), (372, 463215), (465, 370572), (558, 308810), (620, 277929), (930, 185286), (1116, 154405), (1395, 123524), (1860, 92643), (2790, 61762), (5580, 30881)]