2009340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^2$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 6355440

約数和(自身を除く): 4346100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2745, 3294, 3660, 3721, 5490, 6588, 7442, 8235, 10980, 11163, 14884, 16470, 18605, 22326, 32940, 33489, 37210, 44652, 55815, 66978, 74420, 100467, 111630, 133956, 167445, 200934, 223260, 334890, 401868, 502335, 669780, 1004670, 2009340]

約数ペア:

[(1, 2009340), (2, 1004670), (3, 669780), (4, 502335), (5, 401868), (6, 334890), (9, 223260), (10, 200934), (12, 167445), (15, 133956), (18, 111630), (20, 100467), (27, 74420), (30, 66978), (36, 55815), (45, 44652), (54, 37210), (60, 33489), (61, 32940), (90, 22326), (108, 18605), (122, 16470), (135, 14884), (180, 11163), (183, 10980), (244, 8235), (270, 7442), (305, 6588), (366, 5490), (540, 3721), (549, 3660), (610, 3294), (732, 2745), (915, 2196), (1098, 1830), (1220, 1647)]