72801960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7879}}^1$

素因数の和:7911

約数の個数: 128

約数和(自身を含む): 272332800

約数和(自身を除く): 199530840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 7879, 9240, 15758, 23637, 31516, 39395, 47274, 55153, 63032, 78790, 86669, 94548, 110306, 118185, 157580, 165459, 173338, 189096, 220612, 236370, 260007, 275765, 315160, 330918, 346676, 433345, 441224, 472740, 520014, 551530, 606683, 661836, 693352, 827295, 866690, 945480, 1040028, 1103060, 1213366, 1300035, 1323672, 1654590, 1733380, 1820049, 2080056, 2206120, 2426732, 2600070, 3033415, 3309180, 3466760, 3640098, 4853464, 5200140, 6066830, 6618360, 7280196, 9100245, 10400280, 12133660, 14560392, 18200490, 24267320, 36400980, 72801960]

約数ペア:

[(1, 72801960), (2, 36400980), (3, 24267320), (4, 18200490), (5, 14560392), (6, 12133660), (7, 10400280), (8, 9100245), (10, 7280196), (11, 6618360), (12, 6066830), (14, 5200140), (15, 4853464), (20, 3640098), (21, 3466760), (22, 3309180), (24, 3033415), (28, 2600070), (30, 2426732), (33, 2206120), (35, 2080056), (40, 1820049), (42, 1733380), (44, 1654590), (55, 1323672), (56, 1300035), (60, 1213366), (66, 1103060), (70, 1040028), (77, 945480), (84, 866690), (88, 827295), (105, 693352), (110, 661836), (120, 606683), (132, 551530), (140, 520014), (154, 472740), (165, 441224), (168, 433345), (210, 346676), (220, 330918), (231, 315160), (264, 275765), (280, 260007), (308, 236370), (330, 220612), (385, 189096), (420, 173338), (440, 165459), (462, 157580), (616, 118185), (660, 110306), (770, 94548), (840, 86669), (924, 78790), (1155, 63032), (1320, 55153), (1540, 47274), (1848, 39395), (2310, 31516), (3080, 23637), (4620, 15758), (7879, 9240)]