2137380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{727}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 6971328

約数和(自身を除く): 4833948

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, 727, 735, 980, 1454, 1470, 2181, 2908, 2940, 3635, 4362, 5089, 7270, 8724, 10178, 10905, 14540, 15267, 20356, 21810, 25445, 30534, 35623, 43620, 50890, 61068, 71246, 76335, 101780, 106869, 142492, 152670, 178115, 213738, 305340, 356230, 427476, 534345, 712460, 1068690, 2137380]

約数ペア:

[(1, 2137380), (2, 1068690), (3, 712460), (4, 534345), (5, 427476), (6, 356230), (7, 305340), (10, 213738), (12, 178115), (14, 152670), (15, 142492), (20, 106869), (21, 101780), (28, 76335), (30, 71246), (35, 61068), (42, 50890), (49, 43620), (60, 35623), (70, 30534), (84, 25445), (98, 21810), (105, 20356), (140, 15267), (147, 14540), (196, 10905), (210, 10178), (245, 8724), (294, 7270), (420, 5089), (490, 4362), (588, 3635), (727, 2940), (735, 2908), (980, 2181), (1454, 1470)]