1655552880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 240

約数和(自身を含む): 5839179840

約数和(自身を除く): 4183626960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 257, 276, 345, 360, 368, 389, 414, 460, 514, 552, 690, 720, 771, 778, 828, 920, 1028, 1035, 1104, 1167, 1285, 1380, 1542, 1556, 1656, 1840, 1945, 2056, 2070, 2313, 2334, 2570, 2760, 3084, 3112, 3312, 3501, 3855, 3890, 4112, 4140, 4626, 4668, 5140, 5520, 5835, 5911, 6168, 6224, 7002, 7710, 7780, 8280, 8947, 9252, 9336, 10280, 11565, 11670, 11822, 12336, 14004, 15420, 15560, 16560, 17505, 17733, 17894, 18504, 18672, 20560, 23130, 23340, 23644, 26841, 28008, 29555, 30840, 31120, 35010, 35466, 35788, 37008, 44735, 46260, 46680, 47288, 53199, 53682, 56016, 59110, 61680, 70020, 70932, 71576, 80523, 88665, 89470, 92520, 93360, 94576, 99973, 106398, 107364, 118220, 134205, 140040, 141864, 143152, 161046, 177330, 178940, 185040, 199946, 212796, 214728, 236440, 265995, 268410, 280080, 283728, 299919, 322092, 354660, 357880, 399892, 402615, 425592, 429456, 472880, 499865, 531990, 536820, 599838, 644184, 709320, 715760, 799784, 805230, 851184, 899757, 999730, 1063980, 1073640, 1199676, 1288368, 1418640, 1499595, 1599568, 1610460, 1799514, 1999460, 2127960, 2147280, 2299379, 2399352, 2999190, 3220920, 3599028, 3998920, 4255920, 4498785, 4598758, 4798704, 5998380, 6441840, 6898137, 7198056, 7997840, 8997570, 9197516, 11496895, 11996760, 13796274, 14396112, 17995140, 18395032, 20694411, 22993790, 23993520, 27592548, 34490685, 35990280, 36790064, 41388822, 45987580, 55185096, 68981370, 71980560, 82777644, 91975160, 103472055, 110370192, 137962740, 165555288, 183950320, 206944110, 275925480, 331110576, 413888220, 551850960, 827776440, 1655552880]

約数ペア:

[(1, 1655552880), (2, 827776440), (3, 551850960), (4, 413888220), (5, 331110576), (6, 275925480), (8, 206944110), (9, 183950320), (10, 165555288), (12, 137962740), (15, 110370192), (16, 103472055), (18, 91975160), (20, 82777644), (23, 71980560), (24, 68981370), (30, 55185096), (36, 45987580), (40, 41388822), (45, 36790064), (46, 35990280), (48, 34490685), (60, 27592548), (69, 23993520), (72, 22993790), (80, 20694411), (90, 18395032), (92, 17995140), (115, 14396112), (120, 13796274), (138, 11996760), (144, 11496895), (180, 9197516), (184, 8997570), (207, 7997840), (230, 7198056), (240, 6898137), (257, 6441840), (276, 5998380), (345, 4798704), (360, 4598758), (368, 4498785), (389, 4255920), (414, 3998920), (460, 3599028), (514, 3220920), (552, 2999190), (690, 2399352), (720, 2299379), (771, 2147280), (778, 2127960), (828, 1999460), (920, 1799514), (1028, 1610460), (1035, 1599568), (1104, 1499595), (1167, 1418640), (1285, 1288368), (1380, 1199676), (1542, 1073640), (1556, 1063980), (1656, 999730), (1840, 899757), (1945, 851184), (2056, 805230), (2070, 799784), (2313, 715760), (2334, 709320), (2570, 644184), (2760, 599838), (3084, 536820), (3112, 531990), (3312, 499865), (3501, 472880), (3855, 429456), (3890, 425592), (4112, 402615), (4140, 399892), (4626, 357880), (4668, 354660), (5140, 322092), (5520, 299919), (5835, 283728), (5911, 280080), (6168, 268410), (6224, 265995), (7002, 236440), (7710, 214728), (7780, 212796), (8280, 199946), (8947, 185040), (9252, 178940), (9336, 177330), (10280, 161046), (11565, 143152), (11670, 141864), (11822, 140040), (12336, 134205), (14004, 118220), (15420, 107364), (15560, 106398), (16560, 99973), (17505, 94576), (17733, 93360), (17894, 92520), (18504, 89470), (18672, 88665), (20560, 80523), (23130, 71576), (23340, 70932), (23644, 70020), (26841, 61680), (28008, 59110), (29555, 56016), (30840, 53682), (31120, 53199), (35010, 47288), (35466, 46680), (35788, 46260), (37008, 44735)]