289686420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3089}}^1$

素因数の和:3625

約数の個数: 72

約数和(自身を含む): 880687080

約数和(自身を除く): 591000660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2605, 3089, 3126, 4689, 5210, 6178, 6252, 7815, 9267, 9378, 10420, 12356, 15445, 15630, 18534, 18756, 23445, 27801, 30890, 31260, 37068, 46335, 46890, 55602, 61780, 92670, 93780, 111204, 139005, 185340, 278010, 556020, 1609369, 3218738, 4828107, 6437476, 8046845, 9656214, 14484321, 16093690, 19312428, 24140535, 28968642, 32187380, 48281070, 57937284, 72421605, 96562140, 144843210, 289686420]

約数ペア:

[(1, 289686420), (2, 144843210), (3, 96562140), (4, 72421605), (5, 57937284), (6, 48281070), (9, 32187380), (10, 28968642), (12, 24140535), (15, 19312428), (18, 16093690), (20, 14484321), (30, 9656214), (36, 8046845), (45, 6437476), (60, 4828107), (90, 3218738), (180, 1609369), (521, 556020), (1042, 278010), (1563, 185340), (2084, 139005), (2605, 111204), (3089, 93780), (3126, 92670), (4689, 61780), (5210, 55602), (6178, 46890), (6252, 46335), (7815, 37068), (9267, 31260), (9378, 30890), (10420, 27801), (12356, 23445), (15445, 18756), (15630, 18534)]