128539142760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{259801}}^1$

素因数の和:259872

約数の個数: 256

約数和(自身を含む): 478867046400

約数和(自身を除く): 350327903640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1064, 1085, 1140, 1178, 1240, 1302, 1330, 1596, 1736, 1767, 1860, 1995, 2170, 2280, 2356, 2604, 2660, 2945, 3192, 3255, 3534, 3720, 3990, 4123, 4340, 4712, 5208, 5320, 5890, 6510, 7068, 7980, 8246, 8680, 8835, 11780, 12369, 13020, 14136, 15960, 16492, 17670, 20615, 23560, 24738, 26040, 32984, 35340, 41230, 49476, 61845, 70680, 82460, 98952, 123690, 164920, 247380, 259801, 494760, 519602, 779403, 1039204, 1299005, 1558806, 1818607, 2078408, 2598010, 3117612, 3637214, 3897015, 4936219, 5196020, 5455821, 6235224, 7274428, 7794030, 8053831, 9093035, 9872438, 10392040, 10911642, 14548856, 14808657, 15588060, 16107662, 18186070, 19744876, 21823284, 24161493, 24681095, 27279105, 29617314, 31176120, 32215324, 34553533, 36372140, 39489752, 40269155, 43646568, 48322986, 49362190, 54558210, 56376817, 59234628, 64430648, 69107066, 72744280, 74043285, 80538310, 96645972, 98724380, 103660599, 109116420, 112753634, 118469256, 120807465, 138214132, 148086570, 153022789, 161076620, 169130451, 172767665, 193291944, 197448760, 207321198, 218232840, 225507268, 241614930, 276428264, 281884085, 296173140, 306045578, 322153240, 338260902, 345535330, 414642396, 451014536, 459068367, 483229860, 518302995, 563768170, 592346280, 612091156, 676521804, 691070660, 765113945, 829284792, 845652255, 918136734, 966459720, 1036605990, 1071159523, 1127536340, 1224182312, 1353043608, 1382141320, 1530227890, 1691304510, 1836273468, 2073211980, 2142319046, 2255072680, 2295341835, 3060455780, 3213478569, 3382609020, 3672546936, 4146423960, 4284638092, 4590683670, 5355797615, 6120911560, 6426957138, 6765218040, 8569276184, 9181367340, 10711595230, 12853914276, 16067392845, 18362734680, 21423190460, 25707828552, 32134785690, 42846380920, 64269571380, 128539142760]

約数ペア:

[(1, 128539142760), (2, 64269571380), (3, 42846380920), (4, 32134785690), (5, 25707828552), (6, 21423190460), (7, 18362734680), (8, 16067392845), (10, 12853914276), (12, 10711595230), (14, 9181367340), (15, 8569276184), (19, 6765218040), (20, 6426957138), (21, 6120911560), (24, 5355797615), (28, 4590683670), (30, 4284638092), (31, 4146423960), (35, 3672546936), (38, 3382609020), (40, 3213478569), (42, 3060455780), (56, 2295341835), (57, 2255072680), (60, 2142319046), (62, 2073211980), (70, 1836273468), (76, 1691304510), (84, 1530227890), (93, 1382141320), (95, 1353043608), (105, 1224182312), (114, 1127536340), (120, 1071159523), (124, 1036605990), (133, 966459720), (140, 918136734), (152, 845652255), (155, 829284792), (168, 765113945), (186, 691070660), (190, 676521804), (210, 612091156), (217, 592346280), (228, 563768170), (248, 518302995), (266, 483229860), (280, 459068367), (285, 451014536), (310, 414642396), (372, 345535330), (380, 338260902), (399, 322153240), (420, 306045578), (434, 296173140), (456, 281884085), (465, 276428264), (532, 241614930), (570, 225507268), (589, 218232840), (620, 207321198), (651, 197448760), (665, 193291944), (744, 172767665), (760, 169130451), (798, 161076620), (840, 153022789), (868, 148086570), (930, 138214132), (1064, 120807465), (1085, 118469256), (1140, 112753634), (1178, 109116420), (1240, 103660599), (1302, 98724380), (1330, 96645972), (1596, 80538310), (1736, 74043285), (1767, 72744280), (1860, 69107066), (1995, 64430648), (2170, 59234628), (2280, 56376817), (2356, 54558210), (2604, 49362190), (2660, 48322986), (2945, 43646568), (3192, 40269155), (3255, 39489752), (3534, 36372140), (3720, 34553533), (3990, 32215324), (4123, 31176120), (4340, 29617314), (4712, 27279105), (5208, 24681095), (5320, 24161493), (5890, 21823284), (6510, 19744876), (7068, 18186070), (7980, 16107662), (8246, 15588060), (8680, 14808657), (8835, 14548856), (11780, 10911642), (12369, 10392040), (13020, 9872438), (14136, 9093035), (15960, 8053831), (16492, 7794030), (17670, 7274428), (20615, 6235224), (23560, 5455821), (24738, 5196020), (26040, 4936219), (32984, 3897015), (35340, 3637214), (41230, 3117612), (49476, 2598010), (61845, 2078408), (70680, 1818607), (82460, 1558806), (98952, 1299005), (123690, 1039204), (164920, 779403), (247380, 519602), (259801, 494760)]