2788973040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1660103}}^1$

素因数の和:1660126

約数の個数: 80

約数和(自身を含む): 9880939008

約数和(自身を除く): 7091965968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1660103, 3320206, 4980309, 6640412, 8300515, 9960618, 11620721, 13280824, 16601030, 19921236, 23241442, 24901545, 26561648, 33202060, 34862163, 39842472, 46482884, 49803090, 58103605, 66404120, 69724326, 79684944, 92965768, 99606180, 116207210, 132808240, 139448652, 174310815, 185931536, 199212360, 232414420, 278897304, 348621630, 398424720, 464828840, 557794608, 697243260, 929657680, 1394486520, 2788973040]

約数ペア:

[(1, 2788973040), (2, 1394486520), (3, 929657680), (4, 697243260), (5, 557794608), (6, 464828840), (7, 398424720), (8, 348621630), (10, 278897304), (12, 232414420), (14, 199212360), (15, 185931536), (16, 174310815), (20, 139448652), (21, 132808240), (24, 116207210), (28, 99606180), (30, 92965768), (35, 79684944), (40, 69724326), (42, 66404120), (48, 58103605), (56, 49803090), (60, 46482884), (70, 39842472), (80, 34862163), (84, 33202060), (105, 26561648), (112, 24901545), (120, 23241442), (140, 19921236), (168, 16601030), (210, 13280824), (240, 11620721), (280, 9960618), (336, 8300515), (420, 6640412), (560, 4980309), (840, 3320206), (1680, 1660103)]