381034920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{947}}^1$

素因数の和:1447

約数の個数: 128

約数和(自身を含む): 1310515200

約数和(自身を除く): 929480280

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, 479, 840, 947, 958, 1437, 1894, 1916, 2395, 2841, 2874, 3353, 3788, 3832, 4735, 4790, 5682, 5748, 6629, 6706, 7185, 7576, 9470, 9580, 10059, 11364, 11496, 13258, 13412, 14205, 14370, 16765, 18940, 19160, 19887, 20118, 22728, 26516, 26824, 28410, 28740, 33145, 33530, 37880, 39774, 40236, 50295, 53032, 56820, 57480, 66290, 67060, 79548, 80472, 99435, 100590, 113640, 132580, 134120, 159096, 198870, 201180, 265160, 397740, 402360, 453613, 795480, 907226, 1360839, 1814452, 2268065, 2721678, 3175291, 3628904, 4536130, 5443356, 6350582, 6804195, 9072260, 9525873, 10886712, 12701164, 13608390, 15876455, 18144520, 19051746, 25402328, 27216780, 31752910, 38103492, 47629365, 54433560, 63505820, 76206984, 95258730, 127011640, 190517460, 381034920]

約数ペア:

[(1, 381034920), (2, 190517460), (3, 127011640), (4, 95258730), (5, 76206984), (6, 63505820), (7, 54433560), (8, 47629365), (10, 38103492), (12, 31752910), (14, 27216780), (15, 25402328), (20, 19051746), (21, 18144520), (24, 15876455), (28, 13608390), (30, 12701164), (35, 10886712), (40, 9525873), (42, 9072260), (56, 6804195), (60, 6350582), (70, 5443356), (84, 4536130), (105, 3628904), (120, 3175291), (140, 2721678), (168, 2268065), (210, 1814452), (280, 1360839), (420, 907226), (479, 795480), (840, 453613), (947, 402360), (958, 397740), (1437, 265160), (1894, 201180), (1916, 198870), (2395, 159096), (2841, 134120), (2874, 132580), (3353, 113640), (3788, 100590), (3832, 99435), (4735, 80472), (4790, 79548), (5682, 67060), (5748, 66290), (6629, 57480), (6706, 56820), (7185, 53032), (7576, 50295), (9470, 40236), (9580, 39774), (10059, 37880), (11364, 33530), (11496, 33145), (13258, 28740), (13412, 28410), (14205, 26824), (14370, 26516), (16765, 22728), (18940, 20118), (19160, 19887)]