81796860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26731}}^1$

素因数の和:26763

約数の個数: 72

約数和(自身を含む): 262722096

約数和(自身を除く): 180925236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26731, 53462, 80193, 106924, 133655, 160386, 240579, 267310, 320772, 400965, 454427, 481158, 534620, 801930, 908854, 962316, 1202895, 1363281, 1603860, 1817708, 2272135, 2405790, 2726562, 4089843, 4544270, 4811580, 5453124, 6816405, 8179686, 9088540, 13632810, 16359372, 20449215, 27265620, 40898430, 81796860]

約数ペア:

[(1, 81796860), (2, 40898430), (3, 27265620), (4, 20449215), (5, 16359372), (6, 13632810), (9, 9088540), (10, 8179686), (12, 6816405), (15, 5453124), (17, 4811580), (18, 4544270), (20, 4089843), (30, 2726562), (34, 2405790), (36, 2272135), (45, 1817708), (51, 1603860), (60, 1363281), (68, 1202895), (85, 962316), (90, 908854), (102, 801930), (153, 534620), (170, 481158), (180, 454427), (204, 400965), (255, 320772), (306, 267310), (340, 240579), (510, 160386), (612, 133655), (765, 106924), (1020, 80193), (1530, 53462), (3060, 26731)]