2097180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 6499584

約数和(自身を除く): 4402404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 191, 244, 305, 366, 382, 549, 573, 610, 732, 764, 915, 955, 1098, 1146, 1220, 1719, 1830, 1910, 2196, 2292, 2745, 2865, 3438, 3660, 3820, 5490, 5730, 6876, 8595, 10980, 11460, 11651, 17190, 23302, 34380, 34953, 46604, 58255, 69906, 104859, 116510, 139812, 174765, 209718, 233020, 349530, 419436, 524295, 699060, 1048590, 2097180]

約数ペア:

[(1, 2097180), (2, 1048590), (3, 699060), (4, 524295), (5, 419436), (6, 349530), (9, 233020), (10, 209718), (12, 174765), (15, 139812), (18, 116510), (20, 104859), (30, 69906), (36, 58255), (45, 46604), (60, 34953), (61, 34380), (90, 23302), (122, 17190), (180, 11651), (183, 11460), (191, 10980), (244, 8595), (305, 6876), (366, 5730), (382, 5490), (549, 3820), (573, 3660), (610, 3438), (732, 2865), (764, 2745), (915, 2292), (955, 2196), (1098, 1910), (1146, 1830), (1220, 1719)]