28305760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 77414400

約数和(自身を除く): 49108640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 199, 224, 254, 280, 398, 508, 560, 635, 796, 889, 995, 1016, 1120, 1270, 1393, 1592, 1778, 1990, 2032, 2540, 2786, 3184, 3556, 3980, 4064, 4445, 5080, 5572, 6368, 6965, 7112, 7960, 8890, 10160, 11144, 13930, 14224, 15920, 17780, 20320, 22288, 25273, 27860, 28448, 31840, 35560, 44576, 50546, 55720, 71120, 101092, 111440, 126365, 142240, 176911, 202184, 222880, 252730, 353822, 404368, 505460, 707644, 808736, 884555, 1010920, 1415288, 1769110, 2021840, 2830576, 3538220, 4043680, 5661152, 7076440, 14152880, 28305760]

約数ペア:

[(1, 28305760), (2, 14152880), (4, 7076440), (5, 5661152), (7, 4043680), (8, 3538220), (10, 2830576), (14, 2021840), (16, 1769110), (20, 1415288), (28, 1010920), (32, 884555), (35, 808736), (40, 707644), (56, 505460), (70, 404368), (80, 353822), (112, 252730), (127, 222880), (140, 202184), (160, 176911), (199, 142240), (224, 126365), (254, 111440), (280, 101092), (398, 71120), (508, 55720), (560, 50546), (635, 44576), (796, 35560), (889, 31840), (995, 28448), (1016, 27860), (1120, 25273), (1270, 22288), (1393, 20320), (1592, 17780), (1778, 15920), (1990, 14224), (2032, 13930), (2540, 11144), (2786, 10160), (3184, 8890), (3556, 7960), (3980, 7112), (4064, 6965), (4445, 6368), (5080, 5572)]