305288340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1103}}^1$

素因数の和:1781

約数の個数: 96

約数和(自身を含む): 979292160

約数和(自身を除く): 674003820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 659, 1103, 1318, 1977, 2206, 2636, 3295, 3309, 3954, 4412, 4613, 5515, 6590, 6618, 7721, 7908, 9226, 9885, 11030, 13180, 13236, 13839, 15442, 16545, 18452, 19770, 22060, 23065, 23163, 27678, 30884, 33090, 38605, 39540, 46130, 46326, 55356, 66180, 69195, 77210, 92260, 92652, 115815, 138390, 154420, 231630, 276780, 463260, 726877, 1453754, 2180631, 2907508, 3634385, 4361262, 5088139, 7268770, 8722524, 10176278, 10903155, 14537540, 15264417, 20352556, 21806310, 25440695, 30528834, 43612620, 50881390, 61057668, 76322085, 101762780, 152644170, 305288340]

約数ペア:

[(1, 305288340), (2, 152644170), (3, 101762780), (4, 76322085), (5, 61057668), (6, 50881390), (7, 43612620), (10, 30528834), (12, 25440695), (14, 21806310), (15, 20352556), (20, 15264417), (21, 14537540), (28, 10903155), (30, 10176278), (35, 8722524), (42, 7268770), (60, 5088139), (70, 4361262), (84, 3634385), (105, 2907508), (140, 2180631), (210, 1453754), (420, 726877), (659, 463260), (1103, 276780), (1318, 231630), (1977, 154420), (2206, 138390), (2636, 115815), (3295, 92652), (3309, 92260), (3954, 77210), (4412, 69195), (4613, 66180), (5515, 55356), (6590, 46326), (6618, 46130), (7721, 39540), (7908, 38605), (9226, 33090), (9885, 30884), (11030, 27678), (13180, 23163), (13236, 23065), (13839, 22060), (15442, 19770), (16545, 18452)]