205458540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21269}}^1$

素因数の和:21311

約数の個数: 96

約数和(自身を含む): 686085120

約数和(自身を除く): 480626580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21269, 42538, 63807, 85076, 106345, 127614, 148883, 212690, 255228, 297766, 319035, 425380, 446649, 489187, 595532, 638070, 744415, 893298, 978374, 1276140, 1467561, 1488830, 1786596, 1956748, 2233245, 2445935, 2935122, 2977660, 3424309, 4466490, 4891870, 5870244, 6848618, 7337805, 8932980, 9783740, 10272927, 13697236, 14675610, 17121545, 20545854, 29351220, 34243090, 41091708, 51364635, 68486180, 102729270, 205458540]

約数ペア:

[(1, 205458540), (2, 102729270), (3, 68486180), (4, 51364635), (5, 41091708), (6, 34243090), (7, 29351220), (10, 20545854), (12, 17121545), (14, 14675610), (15, 13697236), (20, 10272927), (21, 9783740), (23, 8932980), (28, 7337805), (30, 6848618), (35, 5870244), (42, 4891870), (46, 4466490), (60, 3424309), (69, 2977660), (70, 2935122), (84, 2445935), (92, 2233245), (105, 1956748), (115, 1786596), (138, 1488830), (140, 1467561), (161, 1276140), (210, 978374), (230, 893298), (276, 744415), (322, 638070), (345, 595532), (420, 489187), (460, 446649), (483, 425380), (644, 319035), (690, 297766), (805, 255228), (966, 212690), (1380, 148883), (1610, 127614), (1932, 106345), (2415, 85076), (3220, 63807), (4830, 42538), (9660, 21269)]