1621897440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1521

約数の個数: 192

約数和(自身を含む): 5384848896

約数和(自身を除く): 3762951456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 107, 115, 120, 138, 160, 184, 214, 230, 240, 276, 321, 345, 368, 428, 460, 480, 535, 552, 642, 690, 736, 856, 920, 1070, 1104, 1284, 1373, 1380, 1605, 1712, 1840, 2140, 2208, 2461, 2568, 2746, 2760, 3210, 3424, 3680, 4119, 4280, 4922, 5136, 5492, 5520, 6420, 6865, 7383, 8238, 8560, 9844, 10272, 10984, 11040, 12305, 12840, 13730, 14766, 16476, 17120, 19688, 20595, 21968, 24610, 25680, 27460, 29532, 31579, 32952, 36915, 39376, 41190, 43936, 49220, 51360, 54920, 59064, 63158, 65904, 73830, 78752, 82380, 94737, 98440, 109840, 118128, 126316, 131808, 146911, 147660, 157895, 164760, 189474, 196880, 219680, 236256, 252632, 293822, 295320, 315790, 329520, 378948, 393760, 440733, 473685, 505264, 587644, 590640, 631580, 659040, 734555, 757896, 881466, 947370, 1010528, 1175288, 1181280, 1263160, 1469110, 1515792, 1762932, 1894740, 2203665, 2350576, 2526320, 2938220, 3031584, 3378953, 3525864, 3789480, 4407330, 4701152, 5052640, 5876440, 6757906, 7051728, 7578960, 8814660, 10136859, 11752880, 13515812, 14103456, 15157920, 16894765, 17629320, 20273718, 23505760, 27031624, 33789530, 35258640, 40547436, 50684295, 54063248, 67579060, 70517280, 81094872, 101368590, 108126496, 135158120, 162189744, 202737180, 270316240, 324379488, 405474360, 540632480, 810948720, 1621897440]

約数ペア:

[(1, 1621897440), (2, 810948720), (3, 540632480), (4, 405474360), (5, 324379488), (6, 270316240), (8, 202737180), (10, 162189744), (12, 135158120), (15, 108126496), (16, 101368590), (20, 81094872), (23, 70517280), (24, 67579060), (30, 54063248), (32, 50684295), (40, 40547436), (46, 35258640), (48, 33789530), (60, 27031624), (69, 23505760), (80, 20273718), (92, 17629320), (96, 16894765), (107, 15157920), (115, 14103456), (120, 13515812), (138, 11752880), (160, 10136859), (184, 8814660), (214, 7578960), (230, 7051728), (240, 6757906), (276, 5876440), (321, 5052640), (345, 4701152), (368, 4407330), (428, 3789480), (460, 3525864), (480, 3378953), (535, 3031584), (552, 2938220), (642, 2526320), (690, 2350576), (736, 2203665), (856, 1894740), (920, 1762932), (1070, 1515792), (1104, 1469110), (1284, 1263160), (1373, 1181280), (1380, 1175288), (1605, 1010528), (1712, 947370), (1840, 881466), (2140, 757896), (2208, 734555), (2461, 659040), (2568, 631580), (2746, 590640), (2760, 587644), (3210, 505264), (3424, 473685), (3680, 440733), (4119, 393760), (4280, 378948), (4922, 329520), (5136, 315790), (5492, 295320), (5520, 293822), (6420, 252632), (6865, 236256), (7383, 219680), (8238, 196880), (8560, 189474), (9844, 164760), (10272, 157895), (10984, 147660), (11040, 146911), (12305, 131808), (12840, 126316), (13730, 118128), (14766, 109840), (16476, 98440), (17120, 94737), (19688, 82380), (20595, 78752), (21968, 73830), (24610, 65904), (25680, 63158), (27460, 59064), (29532, 54920), (31579, 51360), (32952, 49220), (36915, 43936), (39376, 41190)]