215528460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73309}}^1$

素因数の和:73335

約数の個数: 72

約数和(自身を含む): 702016560

約数和(自身を除く): 486488100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 73309, 146618, 219927, 293236, 366545, 439854, 513163, 733090, 879708, 1026326, 1099635, 1466180, 1539489, 2052652, 2199270, 2565815, 3078978, 3592141, 4398540, 5131630, 6157956, 7184282, 7697445, 10263260, 10776423, 14368564, 15394890, 17960705, 21552846, 30789780, 35921410, 43105692, 53882115, 71842820, 107764230, 215528460]

約数ペア:

[(1, 215528460), (2, 107764230), (3, 71842820), (4, 53882115), (5, 43105692), (6, 35921410), (7, 30789780), (10, 21552846), (12, 17960705), (14, 15394890), (15, 14368564), (20, 10776423), (21, 10263260), (28, 7697445), (30, 7184282), (35, 6157956), (42, 5131630), (49, 4398540), (60, 3592141), (70, 3078978), (84, 2565815), (98, 2199270), (105, 2052652), (140, 1539489), (147, 1466180), (196, 1099635), (210, 1026326), (245, 879708), (294, 733090), (420, 513163), (490, 439854), (588, 366545), (735, 293236), (980, 219927), (1470, 146618), (2940, 73309)]