2821140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2239}}^1$

素因数の和:2261

約数の個数: 72

約数和(自身を含む): 9784320

約数和(自身を除く): 6963180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2239, 4478, 6717, 8956, 11195, 13434, 15673, 20151, 22390, 26868, 31346, 33585, 40302, 44780, 47019, 62692, 67170, 78365, 80604, 94038, 100755, 134340, 141057, 156730, 188076, 201510, 235095, 282114, 313460, 403020, 470190, 564228, 705285, 940380, 1410570, 2821140]

約数ペア:

[(1, 2821140), (2, 1410570), (3, 940380), (4, 705285), (5, 564228), (6, 470190), (7, 403020), (9, 313460), (10, 282114), (12, 235095), (14, 201510), (15, 188076), (18, 156730), (20, 141057), (21, 134340), (28, 100755), (30, 94038), (35, 80604), (36, 78365), (42, 67170), (45, 62692), (60, 47019), (63, 44780), (70, 40302), (84, 33585), (90, 31346), (105, 26868), (126, 22390), (140, 20151), (180, 15673), (210, 13434), (252, 11195), (315, 8956), (420, 6717), (630, 4478), (1260, 2239)]