20907542160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{40387}}^1$

素因数の和:41125

約数の個数: 120

約数和(自身を含む): 70313892480

約数和(自身を除く): 49406350320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 719, 720, 1438, 2157, 2876, 3595, 4314, 5752, 6471, 7190, 8628, 10785, 11504, 12942, 14380, 17256, 21570, 25884, 28760, 32355, 34512, 40387, 43140, 51768, 57520, 64710, 80774, 86280, 103536, 121161, 129420, 161548, 172560, 201935, 242322, 258840, 323096, 363483, 403870, 484644, 517680, 605805, 646192, 726966, 807740, 969288, 1211610, 1453932, 1615480, 1817415, 1938576, 2423220, 2907864, 3230960, 3634830, 4846440, 5815728, 7269660, 9692880, 14539320, 29038253, 29078640, 58076506, 87114759, 116153012, 145191265, 174229518, 232306024, 261344277, 290382530, 348459036, 435573795, 464612048, 522688554, 580765060, 696918072, 871147590, 1045377108, 1161530120, 1306721385, 1393836144, 1742295180, 2090754216, 2323060240, 2613442770, 3484590360, 4181508432, 5226885540, 6969180720, 10453771080, 20907542160]

約数ペア:

[(1, 20907542160), (2, 10453771080), (3, 6969180720), (4, 5226885540), (5, 4181508432), (6, 3484590360), (8, 2613442770), (9, 2323060240), (10, 2090754216), (12, 1742295180), (15, 1393836144), (16, 1306721385), (18, 1161530120), (20, 1045377108), (24, 871147590), (30, 696918072), (36, 580765060), (40, 522688554), (45, 464612048), (48, 435573795), (60, 348459036), (72, 290382530), (80, 261344277), (90, 232306024), (120, 174229518), (144, 145191265), (180, 116153012), (240, 87114759), (360, 58076506), (719, 29078640), (720, 29038253), (1438, 14539320), (2157, 9692880), (2876, 7269660), (3595, 5815728), (4314, 4846440), (5752, 3634830), (6471, 3230960), (7190, 2907864), (8628, 2423220), (10785, 1938576), (11504, 1817415), (12942, 1615480), (14380, 1453932), (17256, 1211610), (21570, 969288), (25884, 807740), (28760, 726966), (32355, 646192), (34512, 605805), (40387, 517680), (43140, 484644), (51768, 403870), (57520, 363483), (64710, 323096), (80774, 258840), (86280, 242322), (103536, 201935), (121161, 172560), (129420, 161548)]