61542640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 151865280

約数和(自身を除く): 90322640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 647, 656, 820, 1160, 1189, 1294, 1640, 2320, 2378, 2588, 3235, 3280, 4756, 5176, 5945, 6470, 9512, 10352, 11890, 12940, 18763, 19024, 23780, 25880, 26527, 37526, 47560, 51760, 53054, 75052, 93815, 95120, 106108, 132635, 150104, 187630, 212216, 265270, 300208, 375260, 424432, 530540, 750520, 769283, 1061080, 1501040, 1538566, 2122160, 3077132, 3846415, 6154264, 7692830, 12308528, 15385660, 30771320, 61542640]

約数ペア:

[(1, 61542640), (2, 30771320), (4, 15385660), (5, 12308528), (8, 7692830), (10, 6154264), (16, 3846415), (20, 3077132), (29, 2122160), (40, 1538566), (41, 1501040), (58, 1061080), (80, 769283), (82, 750520), (116, 530540), (145, 424432), (164, 375260), (205, 300208), (232, 265270), (290, 212216), (328, 187630), (410, 150104), (464, 132635), (580, 106108), (647, 95120), (656, 93815), (820, 75052), (1160, 53054), (1189, 51760), (1294, 47560), (1640, 37526), (2320, 26527), (2378, 25880), (2588, 23780), (3235, 19024), (3280, 18763), (4756, 12940), (5176, 11890), (5945, 10352), (6470, 9512)]