27751340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 63360528

約数和(自身を除く): 35609188

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 61, 86, 92, 115, 122, 172, 215, 230, 244, 305, 430, 460, 529, 610, 860, 989, 1058, 1220, 1403, 1978, 2116, 2623, 2645, 2806, 3956, 4945, 5246, 5290, 5612, 7015, 9890, 10492, 10580, 13115, 14030, 19780, 22747, 26230, 28060, 32269, 45494, 52460, 60329, 64538, 90988, 113735, 120658, 129076, 161345, 227470, 241316, 301645, 322690, 454940, 603290, 645380, 1206580, 1387567, 2775134, 5550268, 6937835, 13875670, 27751340]

約数ペア:

[(1, 27751340), (2, 13875670), (4, 6937835), (5, 5550268), (10, 2775134), (20, 1387567), (23, 1206580), (43, 645380), (46, 603290), (61, 454940), (86, 322690), (92, 301645), (115, 241316), (122, 227470), (172, 161345), (215, 129076), (230, 120658), (244, 113735), (305, 90988), (430, 64538), (460, 60329), (529, 52460), (610, 45494), (860, 32269), (989, 28060), (1058, 26230), (1220, 22747), (1403, 19780), (1978, 14030), (2116, 13115), (2623, 10580), (2645, 10492), (2806, 9890), (3956, 7015), (4945, 5612), (5246, 5290)]