1643580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 5215392

約数和(自身を除く): 3571812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 397, 414, 460, 690, 794, 828, 1035, 1191, 1380, 1588, 1985, 2070, 2382, 3573, 3970, 4140, 4764, 5955, 7146, 7940, 9131, 11910, 14292, 17865, 18262, 23820, 27393, 35730, 36524, 45655, 54786, 71460, 82179, 91310, 109572, 136965, 164358, 182620, 273930, 328716, 410895, 547860, 821790, 1643580]

約数ペア:

[(1, 1643580), (2, 821790), (3, 547860), (4, 410895), (5, 328716), (6, 273930), (9, 182620), (10, 164358), (12, 136965), (15, 109572), (18, 91310), (20, 82179), (23, 71460), (30, 54786), (36, 45655), (45, 36524), (46, 35730), (60, 27393), (69, 23820), (90, 18262), (92, 17865), (115, 14292), (138, 11910), (180, 9131), (207, 7940), (230, 7146), (276, 5955), (345, 4764), (397, 4140), (414, 3970), (460, 3573), (690, 2382), (794, 2070), (828, 1985), (1035, 1588), (1191, 1380)]