256274280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 320

約数和(自身を含む): 951350400

約数和(自身を除く): 695076120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 27, 30, 36, 38, 40, 45, 46, 54, 57, 60, 69, 72, 76, 81, 90, 92, 95, 108, 114, 115, 120, 135, 138, 152, 162, 171, 180, 181, 184, 190, 207, 216, 228, 230, 270, 276, 285, 324, 342, 345, 360, 362, 380, 405, 414, 437, 456, 460, 513, 540, 543, 552, 570, 621, 648, 684, 690, 724, 760, 810, 828, 855, 874, 905, 920, 1026, 1035, 1080, 1086, 1140, 1242, 1311, 1368, 1380, 1448, 1539, 1620, 1629, 1656, 1710, 1748, 1810, 1863, 2052, 2070, 2172, 2185, 2280, 2484, 2565, 2622, 2715, 2760, 3078, 3105, 3240, 3258, 3420, 3439, 3496, 3620, 3726, 3933, 4104, 4140, 4163, 4344, 4370, 4887, 4968, 5130, 5244, 5430, 6156, 6210, 6516, 6555, 6840, 6878, 7240, 7452, 7695, 7866, 8145, 8280, 8326, 8740, 9315, 9774, 10260, 10317, 10488, 10860, 11799, 12312, 12420, 12489, 13032, 13110, 13756, 14661, 14904, 15390, 15732, 16290, 16652, 17195, 17480, 18630, 19548, 19665, 20520, 20634, 20815, 21720, 23598, 24435, 24840, 24978, 26220, 27512, 29322, 30780, 30951, 31464, 32580, 33304, 34390, 35397, 37260, 37467, 39096, 39330, 41268, 41630, 47196, 48870, 49956, 51585, 52440, 58644, 58995, 61560, 61902, 62445, 65160, 68780, 70794, 73305, 74520, 74934, 78660, 79097, 82536, 83260, 92853, 94392, 97740, 99912, 103170, 112401, 117288, 117990, 123804, 124890, 137560, 141588, 146610, 149868, 154755, 157320, 158194, 166520, 176985, 185706, 187335, 195480, 206340, 224802, 235980, 237291, 247608, 249780, 278559, 283176, 293220, 299736, 309510, 316388, 337203, 353970, 371412, 374670, 395485, 412680, 449604, 464265, 471960, 474582, 499560, 557118, 562005, 586440, 619020, 632776, 674406, 707940, 711873, 742824, 749340, 790970, 899208, 928530, 949164, 1114236, 1124010, 1186455, 1238040, 1348812, 1392795, 1415880, 1423746, 1498680, 1581940, 1686015, 1857060, 1898328, 2135619, 2228472, 2248020, 2372910, 2697624, 2785590, 2847492, 3163880, 3372030, 3559365, 3714120, 4271238, 4496040, 4745820, 5571180, 5694984, 6406857, 6744060, 7118730, 8542476, 9491640, 10678095, 11142360, 12813714, 13488120, 14237460, 17084952, 21356190, 25627428, 28474920, 32034285, 42712380, 51254856, 64068570, 85424760, 128137140, 256274280]

約数ペア:

[(1, 256274280), (2, 128137140), (3, 85424760), (4, 64068570), (5, 51254856), (6, 42712380), (8, 32034285), (9, 28474920), (10, 25627428), (12, 21356190), (15, 17084952), (18, 14237460), (19, 13488120), (20, 12813714), (23, 11142360), (24, 10678095), (27, 9491640), (30, 8542476), (36, 7118730), (38, 6744060), (40, 6406857), (45, 5694984), (46, 5571180), (54, 4745820), (57, 4496040), (60, 4271238), (69, 3714120), (72, 3559365), (76, 3372030), (81, 3163880), (90, 2847492), (92, 2785590), (95, 2697624), (108, 2372910), (114, 2248020), (115, 2228472), (120, 2135619), (135, 1898328), (138, 1857060), (152, 1686015), (162, 1581940), (171, 1498680), (180, 1423746), (181, 1415880), (184, 1392795), (190, 1348812), (207, 1238040), (216, 1186455), (228, 1124010), (230, 1114236), (270, 949164), (276, 928530), (285, 899208), (324, 790970), (342, 749340), (345, 742824), (360, 711873), (362, 707940), (380, 674406), (405, 632776), (414, 619020), (437, 586440), (456, 562005), (460, 557118), (513, 499560), (540, 474582), (543, 471960), (552, 464265), (570, 449604), (621, 412680), (648, 395485), (684, 374670), (690, 371412), (724, 353970), (760, 337203), (810, 316388), (828, 309510), (855, 299736), (874, 293220), (905, 283176), (920, 278559), (1026, 249780), (1035, 247608), (1080, 237291), (1086, 235980), (1140, 224802), (1242, 206340), (1311, 195480), (1368, 187335), (1380, 185706), (1448, 176985), (1539, 166520), (1620, 158194), (1629, 157320), (1656, 154755), (1710, 149868), (1748, 146610), (1810, 141588), (1863, 137560), (2052, 124890), (2070, 123804), (2172, 117990), (2185, 117288), (2280, 112401), (2484, 103170), (2565, 99912), (2622, 97740), (2715, 94392), (2760, 92853), (3078, 83260), (3105, 82536), (3240, 79097), (3258, 78660), (3420, 74934), (3439, 74520), (3496, 73305), (3620, 70794), (3726, 68780), (3933, 65160), (4104, 62445), (4140, 61902), (4163, 61560), (4344, 58995), (4370, 58644), (4887, 52440), (4968, 51585), (5130, 49956), (5244, 48870), (5430, 47196), (6156, 41630), (6210, 41268), (6516, 39330), (6555, 39096), (6840, 37467), (6878, 37260), (7240, 35397), (7452, 34390), (7695, 33304), (7866, 32580), (8145, 31464), (8280, 30951), (8326, 30780), (8740, 29322), (9315, 27512), (9774, 26220), (10260, 24978), (10317, 24840), (10488, 24435), (10860, 23598), (11799, 21720), (12312, 20815), (12420, 20634), (12489, 20520), (13032, 19665), (13110, 19548), (13756, 18630), (14661, 17480), (14904, 17195), (15390, 16652), (15732, 16290)]