40802220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 124291440

約数和(自身を除く): 83489220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 541, 838, 1082, 1257, 1623, 1676, 2095, 2164, 2514, 2705, 3246, 3771, 4190, 4869, 5028, 5410, 6285, 6492, 7542, 8115, 8380, 9738, 10820, 12570, 15084, 16230, 18855, 19476, 24345, 25140, 32460, 37710, 48690, 75420, 97380, 226679, 453358, 680037, 906716, 1133395, 1360074, 2040111, 2266790, 2720148, 3400185, 4080222, 4533580, 6800370, 8160444, 10200555, 13600740, 20401110, 40802220]

約数ペア:

[(1, 40802220), (2, 20401110), (3, 13600740), (4, 10200555), (5, 8160444), (6, 6800370), (9, 4533580), (10, 4080222), (12, 3400185), (15, 2720148), (18, 2266790), (20, 2040111), (30, 1360074), (36, 1133395), (45, 906716), (60, 680037), (90, 453358), (180, 226679), (419, 97380), (541, 75420), (838, 48690), (1082, 37710), (1257, 32460), (1623, 25140), (1676, 24345), (2095, 19476), (2164, 18855), (2514, 16230), (2705, 15084), (3246, 12570), (3771, 10820), (4190, 9738), (4869, 8380), (5028, 8115), (5410, 7542), (6285, 6492)]