401580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 1284192

約数和(自身を除く): 882612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 97, 115, 138, 180, 194, 207, 230, 276, 291, 345, 388, 414, 460, 485, 582, 690, 828, 873, 970, 1035, 1164, 1380, 1455, 1746, 1940, 2070, 2231, 2910, 3492, 4140, 4365, 4462, 5820, 6693, 8730, 8924, 11155, 13386, 17460, 20079, 22310, 26772, 33465, 40158, 44620, 66930, 80316, 100395, 133860, 200790, 401580]

約数ペア:

[(1, 401580), (2, 200790), (3, 133860), (4, 100395), (5, 80316), (6, 66930), (9, 44620), (10, 40158), (12, 33465), (15, 26772), (18, 22310), (20, 20079), (23, 17460), (30, 13386), (36, 11155), (45, 8924), (46, 8730), (60, 6693), (69, 5820), (90, 4462), (92, 4365), (97, 4140), (115, 3492), (138, 2910), (180, 2231), (194, 2070), (207, 1940), (230, 1746), (276, 1455), (291, 1380), (345, 1164), (388, 1035), (414, 970), (460, 873), (485, 828), (582, 690)]