641330760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2903}}^1$

素因数の和:3187

約数の個数: 128

約数和(自身を含む): 2207969280

約数和(自身を除く): 1566638520

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, 263, 280, 420, 526, 789, 840, 1052, 1315, 1578, 1841, 2104, 2630, 2903, 3156, 3682, 3945, 5260, 5523, 5806, 6312, 7364, 7890, 8709, 9205, 10520, 11046, 11612, 14515, 14728, 15780, 17418, 18410, 20321, 22092, 23224, 27615, 29030, 31560, 34836, 36820, 40642, 43545, 44184, 55230, 58060, 60963, 69672, 73640, 81284, 87090, 101605, 110460, 116120, 121926, 162568, 174180, 203210, 220920, 243852, 304815, 348360, 406420, 487704, 609630, 763489, 812840, 1219260, 1526978, 2290467, 2438520, 3053956, 3817445, 4580934, 5344423, 6107912, 7634890, 9161868, 10688846, 11452335, 15269780, 16033269, 18323736, 21377692, 22904670, 26722115, 30539560, 32066538, 42755384, 45809340, 53444230, 64133076, 80166345, 91618680, 106888460, 128266152, 160332690, 213776920, 320665380, 641330760]

約数ペア:

[(1, 641330760), (2, 320665380), (3, 213776920), (4, 160332690), (5, 128266152), (6, 106888460), (7, 91618680), (8, 80166345), (10, 64133076), (12, 53444230), (14, 45809340), (15, 42755384), (20, 32066538), (21, 30539560), (24, 26722115), (28, 22904670), (30, 21377692), (35, 18323736), (40, 16033269), (42, 15269780), (56, 11452335), (60, 10688846), (70, 9161868), (84, 7634890), (105, 6107912), (120, 5344423), (140, 4580934), (168, 3817445), (210, 3053956), (263, 2438520), (280, 2290467), (420, 1526978), (526, 1219260), (789, 812840), (840, 763489), (1052, 609630), (1315, 487704), (1578, 406420), (1841, 348360), (2104, 304815), (2630, 243852), (2903, 220920), (3156, 203210), (3682, 174180), (3945, 162568), (5260, 121926), (5523, 116120), (5806, 110460), (6312, 101605), (7364, 87090), (7890, 81284), (8709, 73640), (9205, 69672), (10520, 60963), (11046, 58060), (11612, 55230), (14515, 44184), (14728, 43545), (15780, 40642), (17418, 36820), (18410, 34836), (20321, 31560), (22092, 29030), (23224, 27615)]