2005020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 6451200

約数和(自身を除く): 4446180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 79, 90, 94, 108, 135, 141, 158, 180, 188, 235, 237, 270, 282, 316, 395, 423, 470, 474, 540, 564, 705, 711, 790, 846, 940, 948, 1185, 1269, 1410, 1422, 1580, 1692, 2115, 2133, 2370, 2538, 2820, 2844, 3555, 3713, 4230, 4266, 4740, 5076, 6345, 7110, 7426, 8460, 8532, 10665, 11139, 12690, 14220, 14852, 18565, 21330, 22278, 25380, 33417, 37130, 42660, 44556, 55695, 66834, 74260, 100251, 111390, 133668, 167085, 200502, 222780, 334170, 401004, 501255, 668340, 1002510, 2005020]

約数ペア:

[(1, 2005020), (2, 1002510), (3, 668340), (4, 501255), (5, 401004), (6, 334170), (9, 222780), (10, 200502), (12, 167085), (15, 133668), (18, 111390), (20, 100251), (27, 74260), (30, 66834), (36, 55695), (45, 44556), (47, 42660), (54, 37130), (60, 33417), (79, 25380), (90, 22278), (94, 21330), (108, 18565), (135, 14852), (141, 14220), (158, 12690), (180, 11139), (188, 10665), (235, 8532), (237, 8460), (270, 7426), (282, 7110), (316, 6345), (395, 5076), (423, 4740), (470, 4266), (474, 4230), (540, 3713), (564, 3555), (705, 2844), (711, 2820), (790, 2538), (846, 2370), (940, 2133), (948, 2115), (1185, 1692), (1269, 1580), (1410, 1422)]