78882320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 209283480

約数和(自身を除く): 130401160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 176, 220, 232, 242, 281, 290, 319, 440, 464, 484, 562, 580, 605, 638, 880, 968, 1124, 1160, 1210, 1276, 1405, 1595, 1936, 2248, 2320, 2420, 2552, 2810, 3091, 3190, 3509, 4496, 4840, 5104, 5620, 6182, 6380, 7018, 8149, 9680, 11240, 12364, 12760, 14036, 15455, 16298, 17545, 22480, 24728, 25520, 28072, 30910, 32596, 34001, 35090, 40745, 49456, 56144, 61820, 65192, 68002, 70180, 81490, 89639, 123640, 130384, 136004, 140360, 162980, 170005, 179278, 247280, 272008, 280720, 325960, 340010, 358556, 448195, 544016, 651920, 680020, 717112, 896390, 986029, 1360040, 1434224, 1792780, 1972058, 2720080, 3585560, 3944116, 4930145, 7171120, 7888232, 9860290, 15776464, 19720580, 39441160, 78882320]

約数ペア:

[(1, 78882320), (2, 39441160), (4, 19720580), (5, 15776464), (8, 9860290), (10, 7888232), (11, 7171120), (16, 4930145), (20, 3944116), (22, 3585560), (29, 2720080), (40, 1972058), (44, 1792780), (55, 1434224), (58, 1360040), (80, 986029), (88, 896390), (110, 717112), (116, 680020), (121, 651920), (145, 544016), (176, 448195), (220, 358556), (232, 340010), (242, 325960), (281, 280720), (290, 272008), (319, 247280), (440, 179278), (464, 170005), (484, 162980), (562, 140360), (580, 136004), (605, 130384), (638, 123640), (880, 89639), (968, 81490), (1124, 70180), (1160, 68002), (1210, 65192), (1276, 61820), (1405, 56144), (1595, 49456), (1936, 40745), (2248, 35090), (2320, 34001), (2420, 32596), (2552, 30910), (2810, 28072), (3091, 25520), (3190, 24728), (3509, 22480), (4496, 17545), (4840, 16298), (5104, 15455), (5620, 14036), (6182, 12760), (6380, 12364), (7018, 11240), (8149, 9680)]