123256980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8893}}^1$

素因数の和:8926

約数の個数: 144

約数和(自身を含む): 466187904

約数和(自身を除く): 342930924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 8893, 13860, 17786, 26679, 35572, 44465, 53358, 62251, 80037, 88930, 97823, 106716, 124502, 133395, 160074, 177860, 186753, 195646, 249004, 266790, 293469, 311255, 320148, 373506, 391292, 400185, 489115, 533580, 560259, 586938, 622510, 684761, 747012, 800370, 880407, 933765, 978230, 1120518, 1173876, 1245020, 1369522, 1467345, 1600740, 1760814, 1867530, 1956460, 2054283, 2241036, 2739044, 2801295, 2934690, 3423805, 3521628, 3735060, 4108566, 4402035, 5602590, 5869380, 6162849, 6847610, 8217132, 8804070, 10271415, 11205180, 12325698, 13695220, 17608140, 20542830, 24651396, 30814245, 41085660, 61628490, 123256980]

約数ペア:

[(1, 123256980), (2, 61628490), (3, 41085660), (4, 30814245), (5, 24651396), (6, 20542830), (7, 17608140), (9, 13695220), (10, 12325698), (11, 11205180), (12, 10271415), (14, 8804070), (15, 8217132), (18, 6847610), (20, 6162849), (21, 5869380), (22, 5602590), (28, 4402035), (30, 4108566), (33, 3735060), (35, 3521628), (36, 3423805), (42, 2934690), (44, 2801295), (45, 2739044), (55, 2241036), (60, 2054283), (63, 1956460), (66, 1867530), (70, 1760814), (77, 1600740), (84, 1467345), (90, 1369522), (99, 1245020), (105, 1173876), (110, 1120518), (126, 978230), (132, 933765), (140, 880407), (154, 800370), (165, 747012), (180, 684761), (198, 622510), (210, 586938), (220, 560259), (231, 533580), (252, 489115), (308, 400185), (315, 391292), (330, 373506), (385, 320148), (396, 311255), (420, 293469), (462, 266790), (495, 249004), (630, 195646), (660, 186753), (693, 177860), (770, 160074), (924, 133395), (990, 124502), (1155, 106716), (1260, 97823), (1386, 88930), (1540, 80037), (1980, 62251), (2310, 53358), (2772, 44465), (3465, 35572), (4620, 26679), (6930, 17786), (8893, 13860)]