420123480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1129}}^1$

素因数の和:1593

約数の個数: 128

約数和(自身を含む): 1444953600

約数和(自身を除く): 1024830120

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, 443, 840, 886, 1129, 1329, 1772, 2215, 2258, 2658, 3101, 3387, 3544, 4430, 4516, 5316, 5645, 6202, 6645, 6774, 7903, 8860, 9032, 9303, 10632, 11290, 12404, 13290, 13548, 15505, 15806, 16935, 17720, 18606, 22580, 23709, 24808, 26580, 27096, 31010, 31612, 33870, 37212, 39515, 45160, 46515, 47418, 53160, 62020, 63224, 67740, 74424, 79030, 93030, 94836, 118545, 124040, 135480, 158060, 186060, 189672, 237090, 316120, 372120, 474180, 500147, 948360, 1000294, 1500441, 2000588, 2500735, 3000882, 3501029, 4001176, 5001470, 6001764, 7002058, 7502205, 10002940, 10503087, 12003528, 14004116, 15004410, 17505145, 20005880, 21006174, 28008232, 30008820, 35010290, 42012348, 52515435, 60017640, 70020580, 84024696, 105030870, 140041160, 210061740, 420123480]

約数ペア:

[(1, 420123480), (2, 210061740), (3, 140041160), (4, 105030870), (5, 84024696), (6, 70020580), (7, 60017640), (8, 52515435), (10, 42012348), (12, 35010290), (14, 30008820), (15, 28008232), (20, 21006174), (21, 20005880), (24, 17505145), (28, 15004410), (30, 14004116), (35, 12003528), (40, 10503087), (42, 10002940), (56, 7502205), (60, 7002058), (70, 6001764), (84, 5001470), (105, 4001176), (120, 3501029), (140, 3000882), (168, 2500735), (210, 2000588), (280, 1500441), (420, 1000294), (443, 948360), (840, 500147), (886, 474180), (1129, 372120), (1329, 316120), (1772, 237090), (2215, 189672), (2258, 186060), (2658, 158060), (3101, 135480), (3387, 124040), (3544, 118545), (4430, 94836), (4516, 93030), (5316, 79030), (5645, 74424), (6202, 67740), (6645, 63224), (6774, 62020), (7903, 53160), (8860, 47418), (9032, 46515), (9303, 45160), (10632, 39515), (11290, 37212), (12404, 33870), (13290, 31612), (13548, 31010), (15505, 27096), (15806, 26580), (16935, 24808), (17720, 23709), (18606, 22580)]