128719440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 240

約数和(自身を含む): 458065920

約数和(自身を除く): 329346480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 73, 79, 80, 90, 93, 120, 124, 144, 146, 155, 158, 180, 186, 219, 237, 240, 248, 279, 292, 310, 316, 360, 365, 372, 395, 438, 465, 474, 496, 558, 584, 620, 632, 657, 711, 720, 730, 744, 790, 876, 930, 948, 1095, 1116, 1168, 1185, 1240, 1264, 1314, 1395, 1422, 1460, 1488, 1580, 1752, 1860, 1896, 2190, 2232, 2263, 2370, 2449, 2480, 2628, 2790, 2844, 2920, 3160, 3285, 3504, 3555, 3720, 3792, 4380, 4464, 4526, 4740, 4898, 5256, 5580, 5688, 5767, 5840, 6320, 6570, 6789, 7110, 7347, 7440, 8760, 9052, 9480, 9796, 10512, 11160, 11315, 11376, 11534, 12245, 13140, 13578, 14220, 14694, 17301, 17520, 18104, 18960, 19592, 20367, 22041, 22320, 22630, 23068, 24490, 26280, 27156, 28440, 28835, 29388, 33945, 34602, 36208, 36735, 39184, 40734, 44082, 45260, 46136, 48980, 51903, 52560, 54312, 56880, 57670, 58776, 67890, 69204, 73470, 81468, 86505, 88164, 90520, 92272, 97960, 101835, 103806, 108624, 110205, 115340, 117552, 135780, 138408, 146940, 162936, 173010, 176328, 178777, 181040, 195920, 203670, 207612, 220410, 230680, 259515, 271560, 276816, 293880, 325872, 346020, 352656, 357554, 407340, 415224, 440820, 461360, 519030, 536331, 543120, 587760, 692040, 715108, 814680, 830448, 881640, 893885, 1038060, 1072662, 1384080, 1430216, 1608993, 1629360, 1763280, 1787770, 2076120, 2145324, 2681655, 2860432, 3217986, 3575540, 4152240, 4290648, 5363310, 6435972, 7151080, 8044965, 8581296, 10726620, 12871944, 14302160, 16089930, 21453240, 25743888, 32179860, 42906480, 64359720, 128719440]

約数ペア:

[(1, 128719440), (2, 64359720), (3, 42906480), (4, 32179860), (5, 25743888), (6, 21453240), (8, 16089930), (9, 14302160), (10, 12871944), (12, 10726620), (15, 8581296), (16, 8044965), (18, 7151080), (20, 6435972), (24, 5363310), (30, 4290648), (31, 4152240), (36, 3575540), (40, 3217986), (45, 2860432), (48, 2681655), (60, 2145324), (62, 2076120), (72, 1787770), (73, 1763280), (79, 1629360), (80, 1608993), (90, 1430216), (93, 1384080), (120, 1072662), (124, 1038060), (144, 893885), (146, 881640), (155, 830448), (158, 814680), (180, 715108), (186, 692040), (219, 587760), (237, 543120), (240, 536331), (248, 519030), (279, 461360), (292, 440820), (310, 415224), (316, 407340), (360, 357554), (365, 352656), (372, 346020), (395, 325872), (438, 293880), (465, 276816), (474, 271560), (496, 259515), (558, 230680), (584, 220410), (620, 207612), (632, 203670), (657, 195920), (711, 181040), (720, 178777), (730, 176328), (744, 173010), (790, 162936), (876, 146940), (930, 138408), (948, 135780), (1095, 117552), (1116, 115340), (1168, 110205), (1185, 108624), (1240, 103806), (1264, 101835), (1314, 97960), (1395, 92272), (1422, 90520), (1460, 88164), (1488, 86505), (1580, 81468), (1752, 73470), (1860, 69204), (1896, 67890), (2190, 58776), (2232, 57670), (2263, 56880), (2370, 54312), (2449, 52560), (2480, 51903), (2628, 48980), (2790, 46136), (2844, 45260), (2920, 44082), (3160, 40734), (3285, 39184), (3504, 36735), (3555, 36208), (3720, 34602), (3792, 33945), (4380, 29388), (4464, 28835), (4526, 28440), (4740, 27156), (4898, 26280), (5256, 24490), (5580, 23068), (5688, 22630), (5767, 22320), (5840, 22041), (6320, 20367), (6570, 19592), (6789, 18960), (7110, 18104), (7347, 17520), (7440, 17301), (8760, 14694), (9052, 14220), (9480, 13578), (9796, 13140), (10512, 12245), (11160, 11534), (11315, 11376)]