128565450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22008

約数の個数: 72

約数和(自身を含む): 371999628

約数和(自身を除く): 243434178

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 21977, 43954, 65931, 109885, 131862, 197793, 219770, 285701, 329655, 395586, 549425, 571402, 659310, 857103, 988965, 1098850, 1428505, 1648275, 1714206, 1977930, 2571309, 2857010, 3296550, 4285515, 4944825, 5142618, 7142525, 8571030, 9889650, 12856545, 14285050, 21427575, 25713090, 42855150, 64282725, 128565450]

約数ペア:

[(1, 128565450), (2, 64282725), (3, 42855150), (5, 25713090), (6, 21427575), (9, 14285050), (10, 12856545), (13, 9889650), (15, 8571030), (18, 7142525), (25, 5142618), (26, 4944825), (30, 4285515), (39, 3296550), (45, 2857010), (50, 2571309), (65, 1977930), (75, 1714206), (78, 1648275), (90, 1428505), (117, 1098850), (130, 988965), (150, 857103), (195, 659310), (225, 571402), (234, 549425), (325, 395586), (390, 329655), (450, 285701), (585, 219770), (650, 197793), (975, 131862), (1170, 109885), (1950, 65931), (2925, 43954), (5850, 21977)]