285510120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{757}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 982368000

約数和(自身を除く): 696857880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 449, 757, 840, 898, 1347, 1514, 1796, 2245, 2271, 2694, 3028, 3143, 3592, 3785, 4490, 4542, 5299, 5388, 6056, 6286, 6735, 7570, 8980, 9084, 9429, 10598, 10776, 11355, 12572, 13470, 15140, 15715, 15897, 17960, 18168, 18858, 21196, 22710, 25144, 26495, 26940, 30280, 31430, 31794, 37716, 42392, 45420, 47145, 52990, 53880, 62860, 63588, 75432, 79485, 90840, 94290, 105980, 125720, 127176, 158970, 188580, 211960, 317940, 339893, 377160, 635880, 679786, 1019679, 1359572, 1699465, 2039358, 2379251, 2719144, 3398930, 4078716, 4758502, 5098395, 6797860, 7137753, 8157432, 9517004, 10196790, 11896255, 13595720, 14275506, 19034008, 20393580, 23792510, 28551012, 35688765, 40787160, 47585020, 57102024, 71377530, 95170040, 142755060, 285510120]

約数ペア:

[(1, 285510120), (2, 142755060), (3, 95170040), (4, 71377530), (5, 57102024), (6, 47585020), (7, 40787160), (8, 35688765), (10, 28551012), (12, 23792510), (14, 20393580), (15, 19034008), (20, 14275506), (21, 13595720), (24, 11896255), (28, 10196790), (30, 9517004), (35, 8157432), (40, 7137753), (42, 6797860), (56, 5098395), (60, 4758502), (70, 4078716), (84, 3398930), (105, 2719144), (120, 2379251), (140, 2039358), (168, 1699465), (210, 1359572), (280, 1019679), (420, 679786), (449, 635880), (757, 377160), (840, 339893), (898, 317940), (1347, 211960), (1514, 188580), (1796, 158970), (2245, 127176), (2271, 125720), (2694, 105980), (3028, 94290), (3143, 90840), (3592, 79485), (3785, 75432), (4490, 63588), (4542, 62860), (5299, 53880), (5388, 52990), (6056, 47145), (6286, 45420), (6735, 42392), (7570, 37716), (8980, 31794), (9084, 31430), (9429, 30280), (10598, 26940), (10776, 26495), (11355, 25144), (12572, 22710), (13470, 21196), (15140, 18858), (15715, 18168), (15897, 17960)]