2782481120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 192

約数和(自身を含む): 7367915520

約数和(自身を除く): 4585434400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 79, 80, 85, 92, 115, 136, 158, 160, 170, 184, 230, 272, 316, 340, 368, 391, 395, 460, 544, 563, 632, 680, 736, 782, 790, 920, 1126, 1264, 1343, 1360, 1564, 1580, 1817, 1840, 1955, 2252, 2528, 2686, 2720, 2815, 3128, 3160, 3634, 3680, 3910, 4504, 5372, 5630, 6256, 6320, 6715, 7268, 7820, 9008, 9085, 9571, 10744, 11260, 12512, 12640, 12949, 13430, 14536, 15640, 18016, 18170, 19142, 21488, 22520, 25898, 26860, 29072, 30889, 31280, 36340, 38284, 42976, 44477, 45040, 47855, 51796, 53720, 58144, 61778, 62560, 64745, 72680, 76568, 88954, 90080, 95710, 103592, 107440, 123556, 129490, 145360, 153136, 154445, 177908, 191420, 207184, 214880, 220133, 222385, 247112, 258980, 290720, 306272, 308890, 355816, 382840, 414368, 440266, 444770, 494224, 517960, 617780, 711632, 756109, 765680, 880532, 889540, 988448, 1022971, 1035920, 1100665, 1235560, 1423264, 1512218, 1531360, 1761064, 1779080, 2045942, 2071840, 2201330, 2471120, 3024436, 3522128, 3558160, 3780545, 4091884, 4402660, 4942240, 5114855, 6048872, 7044256, 7116320, 7561090, 8183768, 8805320, 10229710, 12097744, 15122180, 16367536, 17390507, 17610640, 20459420, 24195488, 30244360, 32735072, 34781014, 35221280, 40918840, 60488720, 69562028, 81837680, 86952535, 120977440, 139124056, 163675360, 173905070, 278248112, 347810140, 556496224, 695620280, 1391240560, 2782481120]

約数ペア:

[(1, 2782481120), (2, 1391240560), (4, 695620280), (5, 556496224), (8, 347810140), (10, 278248112), (16, 173905070), (17, 163675360), (20, 139124056), (23, 120977440), (32, 86952535), (34, 81837680), (40, 69562028), (46, 60488720), (68, 40918840), (79, 35221280), (80, 34781014), (85, 32735072), (92, 30244360), (115, 24195488), (136, 20459420), (158, 17610640), (160, 17390507), (170, 16367536), (184, 15122180), (230, 12097744), (272, 10229710), (316, 8805320), (340, 8183768), (368, 7561090), (391, 7116320), (395, 7044256), (460, 6048872), (544, 5114855), (563, 4942240), (632, 4402660), (680, 4091884), (736, 3780545), (782, 3558160), (790, 3522128), (920, 3024436), (1126, 2471120), (1264, 2201330), (1343, 2071840), (1360, 2045942), (1564, 1779080), (1580, 1761064), (1817, 1531360), (1840, 1512218), (1955, 1423264), (2252, 1235560), (2528, 1100665), (2686, 1035920), (2720, 1022971), (2815, 988448), (3128, 889540), (3160, 880532), (3634, 765680), (3680, 756109), (3910, 711632), (4504, 617780), (5372, 517960), (5630, 494224), (6256, 444770), (6320, 440266), (6715, 414368), (7268, 382840), (7820, 355816), (9008, 308890), (9085, 306272), (9571, 290720), (10744, 258980), (11260, 247112), (12512, 222385), (12640, 220133), (12949, 214880), (13430, 207184), (14536, 191420), (15640, 177908), (18016, 154445), (18170, 153136), (19142, 145360), (21488, 129490), (22520, 123556), (25898, 107440), (26860, 103592), (29072, 95710), (30889, 90080), (31280, 88954), (36340, 76568), (38284, 72680), (42976, 64745), (44477, 62560), (45040, 61778), (47855, 58144), (51796, 53720)]