221295420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53453}}^1$

素因数の和:53491

約数の個数: 72

約数和(自身を含む): 700461216

約数和(自身を除く): 479165796

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, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 53453, 106906, 160359, 213812, 267265, 320718, 481077, 534530, 641436, 801795, 962154, 1069060, 1229419, 1603590, 1924308, 2405385, 2458838, 3207180, 3688257, 4810770, 4917676, 6147095, 7376514, 9621540, 11064771, 12294190, 14753028, 18441285, 22129542, 24588380, 36882570, 44259084, 55323855, 73765140, 110647710, 221295420]

約数ペア:

[(1, 221295420), (2, 110647710), (3, 73765140), (4, 55323855), (5, 44259084), (6, 36882570), (9, 24588380), (10, 22129542), (12, 18441285), (15, 14753028), (18, 12294190), (20, 11064771), (23, 9621540), (30, 7376514), (36, 6147095), (45, 4917676), (46, 4810770), (60, 3688257), (69, 3207180), (90, 2458838), (92, 2405385), (115, 1924308), (138, 1603590), (180, 1229419), (207, 1069060), (230, 962154), (276, 801795), (345, 641436), (414, 534530), (460, 481077), (690, 320718), (828, 267265), (1035, 213812), (1380, 160359), (2070, 106906), (4140, 53453)]