20234420560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:270

約数の個数: 240

約数和(自身を含む): 51335888400

約数和(自身を除く): 31101467840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 53, 58, 80, 86, 89, 106, 116, 145, 172, 178, 212, 215, 232, 265, 290, 344, 356, 424, 430, 445, 464, 530, 580, 688, 712, 848, 860, 890, 1060, 1160, 1247, 1424, 1537, 1720, 1780, 1849, 2120, 2279, 2320, 2494, 2581, 3074, 3440, 3560, 3698, 3827, 4240, 4558, 4717, 4988, 5162, 6148, 6235, 7120, 7396, 7654, 7685, 9116, 9245, 9434, 9976, 10324, 11395, 12296, 12470, 12905, 14792, 15308, 15370, 18232, 18490, 18868, 19135, 19952, 20648, 22790, 23585, 24592, 24940, 25810, 29584, 30616, 30740, 36464, 36980, 37736, 38270, 41296, 45580, 47170, 49880, 51620, 53621, 61232, 61480, 66091, 73960, 75472, 76540, 91160, 94340, 97997, 99760, 103240, 107242, 110983, 122960, 132182, 136793, 147920, 153080, 164561, 182320, 188680, 195994, 202831, 206480, 214484, 221966, 264364, 268105, 273586, 306160, 329122, 330455, 377360, 391988, 405662, 428968, 443932, 489985, 528728, 536210, 547172, 554915, 658244, 660910, 683965, 783976, 811324, 822805, 857936, 887864, 979970, 1014155, 1057456, 1072420, 1094344, 1109830, 1316488, 1321820, 1367930, 1567952, 1622648, 1645610, 1775728, 1959940, 2028310, 2144840, 2188688, 2219660, 2632976, 2643640, 2735860, 2841913, 3245296, 3291220, 3919880, 4056620, 4289680, 4439320, 4772269, 5287280, 5471720, 5683826, 5882099, 6582440, 7839760, 8113240, 8721733, 8878640, 9544538, 10943440, 11367652, 11764198, 13164880, 14209565, 16226480, 17443466, 19089076, 22735304, 23528396, 23861345, 28419130, 29410495, 34886932, 38178152, 43608665, 45470608, 47056792, 47722690, 56838260, 58820990, 69773864, 76356304, 87217330, 94113584, 95445380, 113676520, 117641980, 139547728, 174434660, 190890760, 227353040, 235283960, 252930257, 348869320, 381781520, 470567920, 505860514, 697738640, 1011721028, 1264651285, 2023442056, 2529302570, 4046884112, 5058605140, 10117210280, 20234420560]

約数ペア:

[(1, 20234420560), (2, 10117210280), (4, 5058605140), (5, 4046884112), (8, 2529302570), (10, 2023442056), (16, 1264651285), (20, 1011721028), (29, 697738640), (40, 505860514), (43, 470567920), (53, 381781520), (58, 348869320), (80, 252930257), (86, 235283960), (89, 227353040), (106, 190890760), (116, 174434660), (145, 139547728), (172, 117641980), (178, 113676520), (212, 95445380), (215, 94113584), (232, 87217330), (265, 76356304), (290, 69773864), (344, 58820990), (356, 56838260), (424, 47722690), (430, 47056792), (445, 45470608), (464, 43608665), (530, 38178152), (580, 34886932), (688, 29410495), (712, 28419130), (848, 23861345), (860, 23528396), (890, 22735304), (1060, 19089076), (1160, 17443466), (1247, 16226480), (1424, 14209565), (1537, 13164880), (1720, 11764198), (1780, 11367652), (1849, 10943440), (2120, 9544538), (2279, 8878640), (2320, 8721733), (2494, 8113240), (2581, 7839760), (3074, 6582440), (3440, 5882099), (3560, 5683826), (3698, 5471720), (3827, 5287280), (4240, 4772269), (4558, 4439320), (4717, 4289680), (4988, 4056620), (5162, 3919880), (6148, 3291220), (6235, 3245296), (7120, 2841913), (7396, 2735860), (7654, 2643640), (7685, 2632976), (9116, 2219660), (9245, 2188688), (9434, 2144840), (9976, 2028310), (10324, 1959940), (11395, 1775728), (12296, 1645610), (12470, 1622648), (12905, 1567952), (14792, 1367930), (15308, 1321820), (15370, 1316488), (18232, 1109830), (18490, 1094344), (18868, 1072420), (19135, 1057456), (19952, 1014155), (20648, 979970), (22790, 887864), (23585, 857936), (24592, 822805), (24940, 811324), (25810, 783976), (29584, 683965), (30616, 660910), (30740, 658244), (36464, 554915), (36980, 547172), (37736, 536210), (38270, 528728), (41296, 489985), (45580, 443932), (47170, 428968), (49880, 405662), (51620, 391988), (53621, 377360), (61232, 330455), (61480, 329122), (66091, 306160), (73960, 273586), (75472, 268105), (76540, 264364), (91160, 221966), (94340, 214484), (97997, 206480), (99760, 202831), (103240, 195994), (107242, 188680), (110983, 182320), (122960, 164561), (132182, 153080), (136793, 147920)]