78697520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 205085088

約数和(自身を除く): 126387568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2417, 2960, 3256, 4070, 4834, 6512, 8140, 9668, 12085, 16280, 19336, 24170, 26587, 32560, 38672, 48340, 53174, 89429, 96680, 106348, 132935, 178858, 193360, 212696, 265870, 357716, 425392, 447145, 531740, 715432, 894290, 983719, 1063480, 1430864, 1788580, 1967438, 2126960, 3577160, 3934876, 4918595, 7154320, 7869752, 9837190, 15739504, 19674380, 39348760, 78697520]

約数ペア:

[(1, 78697520), (2, 39348760), (4, 19674380), (5, 15739504), (8, 9837190), (10, 7869752), (11, 7154320), (16, 4918595), (20, 3934876), (22, 3577160), (37, 2126960), (40, 1967438), (44, 1788580), (55, 1430864), (74, 1063480), (80, 983719), (88, 894290), (110, 715432), (148, 531740), (176, 447145), (185, 425392), (220, 357716), (296, 265870), (370, 212696), (407, 193360), (440, 178858), (592, 132935), (740, 106348), (814, 96680), (880, 89429), (1480, 53174), (1628, 48340), (2035, 38672), (2417, 32560), (2960, 26587), (3256, 24170), (4070, 19336), (4834, 16280), (6512, 12085), (8140, 9668)]