2404980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 7547904

約数和(自身を除く): 5142924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 431, 465, 558, 620, 862, 930, 1116, 1293, 1395, 1724, 1860, 2155, 2586, 2790, 3879, 4310, 5172, 5580, 6465, 7758, 8620, 12930, 13361, 15516, 19395, 25860, 26722, 38790, 40083, 53444, 66805, 77580, 80166, 120249, 133610, 160332, 200415, 240498, 267220, 400830, 480996, 601245, 801660, 1202490, 2404980]

約数ペア:

[(1, 2404980), (2, 1202490), (3, 801660), (4, 601245), (5, 480996), (6, 400830), (9, 267220), (10, 240498), (12, 200415), (15, 160332), (18, 133610), (20, 120249), (30, 80166), (31, 77580), (36, 66805), (45, 53444), (60, 40083), (62, 38790), (90, 26722), (93, 25860), (124, 19395), (155, 15516), (180, 13361), (186, 12930), (279, 8620), (310, 7758), (372, 6465), (431, 5580), (465, 5172), (558, 4310), (620, 3879), (862, 2790), (930, 2586), (1116, 2155), (1293, 1860), (1395, 1724)]