78232880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4722

約数の個数: 80

約数和(自身を含む): 208915200

約数和(自身を除く): 130682320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4679, 8360, 9358, 16720, 18716, 23395, 37432, 46790, 51469, 74864, 88901, 93580, 102938, 177802, 187160, 205876, 257345, 355604, 374320, 411752, 444505, 514690, 711208, 823504, 889010, 977911, 1029380, 1422416, 1778020, 1955822, 2058760, 3556040, 3911644, 4117520, 4889555, 7112080, 7823288, 9779110, 15646576, 19558220, 39116440, 78232880]

約数ペア:

[(1, 78232880), (2, 39116440), (4, 19558220), (5, 15646576), (8, 9779110), (10, 7823288), (11, 7112080), (16, 4889555), (19, 4117520), (20, 3911644), (22, 3556040), (38, 2058760), (40, 1955822), (44, 1778020), (55, 1422416), (76, 1029380), (80, 977911), (88, 889010), (95, 823504), (110, 711208), (152, 514690), (176, 444505), (190, 411752), (209, 374320), (220, 355604), (304, 257345), (380, 205876), (418, 187160), (440, 177802), (760, 102938), (836, 93580), (880, 88901), (1045, 74864), (1520, 51469), (1672, 46790), (2090, 37432), (3344, 23395), (4180, 18716), (4679, 16720), (8360, 9358)]