77931920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 136340080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 59, 76, 79, 80, 88, 95, 110, 118, 152, 158, 176, 190, 209, 220, 236, 295, 304, 316, 380, 395, 418, 440, 472, 590, 632, 649, 760, 790, 836, 869, 880, 944, 1045, 1121, 1180, 1264, 1298, 1501, 1520, 1580, 1672, 1738, 2090, 2242, 2360, 2596, 3002, 3160, 3245, 3344, 3476, 4180, 4345, 4484, 4661, 4720, 5192, 5605, 6004, 6320, 6490, 6952, 7505, 8360, 8690, 8968, 9322, 10384, 11210, 12008, 12331, 12980, 13904, 15010, 16511, 16720, 17380, 17936, 18644, 22420, 23305, 24016, 24662, 25960, 30020, 33022, 34760, 37288, 44840, 46610, 49324, 51271, 51920, 60040, 61655, 66044, 69520, 74576, 82555, 88559, 89680, 93220, 98648, 102542, 120080, 123310, 132088, 165110, 177118, 186440, 197296, 205084, 246620, 256355, 264176, 330220, 354236, 372880, 410168, 442795, 493240, 512710, 660440, 708472, 820336, 885590, 974149, 986480, 1025420, 1320880, 1416944, 1771180, 1948298, 2050840, 3542360, 3896596, 4101680, 4870745, 7084720, 7793192, 9741490, 15586384, 19482980, 38965960, 77931920]

約数ペア:

[(1, 77931920), (2, 38965960), (4, 19482980), (5, 15586384), (8, 9741490), (10, 7793192), (11, 7084720), (16, 4870745), (19, 4101680), (20, 3896596), (22, 3542360), (38, 2050840), (40, 1948298), (44, 1771180), (55, 1416944), (59, 1320880), (76, 1025420), (79, 986480), (80, 974149), (88, 885590), (95, 820336), (110, 708472), (118, 660440), (152, 512710), (158, 493240), (176, 442795), (190, 410168), (209, 372880), (220, 354236), (236, 330220), (295, 264176), (304, 256355), (316, 246620), (380, 205084), (395, 197296), (418, 186440), (440, 177118), (472, 165110), (590, 132088), (632, 123310), (649, 120080), (760, 102542), (790, 98648), (836, 93220), (869, 89680), (880, 88559), (944, 82555), (1045, 74576), (1121, 69520), (1180, 66044), (1264, 61655), (1298, 60040), (1501, 51920), (1520, 51271), (1580, 49324), (1672, 46610), (1738, 44840), (2090, 37288), (2242, 34760), (2360, 33022), (2596, 30020), (3002, 25960), (3160, 24662), (3245, 24016), (3344, 23305), (3476, 22420), (4180, 18644), (4345, 17936), (4484, 17380), (4661, 16720), (4720, 16511), (5192, 15010), (5605, 13904), (6004, 12980), (6320, 12331), (6490, 12008), (6952, 11210), (7505, 10384), (8360, 9322), (8690, 8968)]