252540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 812448

約数和(自身を除く): 559908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 366, 414, 460, 549, 610, 690, 732, 828, 915, 1035, 1098, 1220, 1380, 1403, 1830, 2070, 2196, 2745, 2806, 3660, 4140, 4209, 5490, 5612, 7015, 8418, 10980, 12627, 14030, 16836, 21045, 25254, 28060, 42090, 50508, 63135, 84180, 126270, 252540]

約数ペア:

[(1, 252540), (2, 126270), (3, 84180), (4, 63135), (5, 50508), (6, 42090), (9, 28060), (10, 25254), (12, 21045), (15, 16836), (18, 14030), (20, 12627), (23, 10980), (30, 8418), (36, 7015), (45, 5612), (46, 5490), (60, 4209), (61, 4140), (69, 3660), (90, 2806), (92, 2745), (115, 2196), (122, 2070), (138, 1830), (180, 1403), (183, 1380), (207, 1220), (230, 1098), (244, 1035), (276, 915), (305, 828), (345, 732), (366, 690), (414, 610), (460, 549)]