77265760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 216781488

約数和(自身を除く): 139515728

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 307, 352, 416, 440, 484, 520, 572, 605, 614, 715, 880, 968, 1040, 1144, 1210, 1228, 1430, 1535, 1573, 1760, 1936, 2080, 2288, 2420, 2456, 2860, 3070, 3146, 3377, 3872, 3991, 4576, 4840, 4912, 5720, 6140, 6292, 6754, 7865, 7982, 9680, 9824, 11440, 12280, 12584, 13508, 15730, 15964, 16885, 19360, 19955, 22880, 24560, 25168, 27016, 31460, 31928, 33770, 37147, 39910, 43901, 49120, 50336, 54032, 62920, 63856, 67540, 74294, 79820, 87802, 108064, 125840, 127712, 135080, 148588, 159640, 175604, 185735, 219505, 251680, 270160, 297176, 319280, 351208, 371470, 439010, 482911, 540320, 594352, 638560, 702416, 742940, 878020, 965822, 1188704, 1404832, 1485880, 1756040, 1931644, 2414555, 2971760, 3512080, 3863288, 4829110, 5943520, 7024160, 7726576, 9658220, 15453152, 19316440, 38632880, 77265760]

約数ペア:

[(1, 77265760), (2, 38632880), (4, 19316440), (5, 15453152), (8, 9658220), (10, 7726576), (11, 7024160), (13, 5943520), (16, 4829110), (20, 3863288), (22, 3512080), (26, 2971760), (32, 2414555), (40, 1931644), (44, 1756040), (52, 1485880), (55, 1404832), (65, 1188704), (80, 965822), (88, 878020), (104, 742940), (110, 702416), (121, 638560), (130, 594352), (143, 540320), (160, 482911), (176, 439010), (208, 371470), (220, 351208), (242, 319280), (260, 297176), (286, 270160), (307, 251680), (352, 219505), (416, 185735), (440, 175604), (484, 159640), (520, 148588), (572, 135080), (605, 127712), (614, 125840), (715, 108064), (880, 87802), (968, 79820), (1040, 74294), (1144, 67540), (1210, 63856), (1228, 62920), (1430, 54032), (1535, 50336), (1573, 49120), (1760, 43901), (1936, 39910), (2080, 37147), (2288, 33770), (2420, 31928), (2456, 31460), (2860, 27016), (3070, 25168), (3146, 24560), (3377, 22880), (3872, 19955), (3991, 19360), (4576, 16885), (4840, 15964), (4912, 15730), (5720, 13508), (6140, 12584), (6292, 12280), (6754, 11440), (7865, 9824), (7982, 9680)]