215959770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20541

約数の個数: 80

約数和(自身を含む): 625390920

約数和(自身を除く): 409431150

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 20509, 41018, 61527, 102545, 123054, 184581, 205090, 266617, 307635, 369162, 533234, 553743, 615270, 799851, 922905, 1107486, 1333085, 1599702, 1661229, 1845810, 2399553, 2666170, 2768715, 3322458, 3999255, 4799106, 5537430, 7198659, 7998510, 8306145, 11997765, 14397318, 16612290, 21595977, 23995530, 35993295, 43191954, 71986590, 107979885, 215959770]

約数ペア:

[(1, 215959770), (2, 107979885), (3, 71986590), (5, 43191954), (6, 35993295), (9, 23995530), (10, 21595977), (13, 16612290), (15, 14397318), (18, 11997765), (26, 8306145), (27, 7998510), (30, 7198659), (39, 5537430), (45, 4799106), (54, 3999255), (65, 3322458), (78, 2768715), (81, 2666170), (90, 2399553), (117, 1845810), (130, 1661229), (135, 1599702), (162, 1333085), (195, 1107486), (234, 922905), (270, 799851), (351, 615270), (390, 553743), (405, 533234), (585, 369162), (702, 307635), (810, 266617), (1053, 205090), (1170, 184581), (1755, 123054), (2106, 102545), (3510, 61527), (5265, 41018), (10530, 20509)]