2658690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 7286400

約数和(自身を除く): 4627710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 229, 258, 270, 387, 430, 458, 645, 687, 774, 1145, 1161, 1290, 1374, 1935, 2061, 2290, 2322, 3435, 3870, 4122, 5805, 6183, 6870, 9847, 10305, 11610, 12366, 19694, 20610, 29541, 30915, 49235, 59082, 61830, 88623, 98470, 147705, 177246, 265869, 295410, 443115, 531738, 886230, 1329345, 2658690]

約数ペア:

[(1, 2658690), (2, 1329345), (3, 886230), (5, 531738), (6, 443115), (9, 295410), (10, 265869), (15, 177246), (18, 147705), (27, 98470), (30, 88623), (43, 61830), (45, 59082), (54, 49235), (86, 30915), (90, 29541), (129, 20610), (135, 19694), (215, 12366), (229, 11610), (258, 10305), (270, 9847), (387, 6870), (430, 6183), (458, 5805), (645, 4122), (687, 3870), (774, 3435), (1145, 2322), (1161, 2290), (1290, 2061), (1374, 1935)]