420177744

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 240

約数和(自身を含む): 1408243200

約数和(自身を除く): 988065456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 49, 56, 63, 72, 84, 94, 98, 112, 126, 141, 144, 147, 168, 181, 188, 196, 252, 282, 294, 329, 336, 343, 362, 376, 392, 423, 441, 504, 543, 564, 588, 658, 686, 724, 752, 784, 846, 882, 987, 1008, 1029, 1086, 1128, 1176, 1267, 1316, 1372, 1448, 1629, 1692, 1764, 1974, 2058, 2172, 2256, 2303, 2352, 2534, 2632, 2744, 2896, 2961, 3087, 3258, 3384, 3528, 3801, 3948, 4116, 4344, 4606, 5068, 5264, 5488, 5922, 6174, 6516, 6768, 6909, 7056, 7602, 7896, 8232, 8507, 8688, 8869, 9212, 10136, 11403, 11844, 12348, 13032, 13818, 15204, 15792, 16121, 16464, 17014, 17738, 18424, 20272, 20727, 22806, 23688, 24696, 25521, 26064, 26607, 27636, 30408, 32242, 34028, 35476, 36848, 41454, 45612, 47376, 48363, 49392, 51042, 53214, 55272, 59549, 60816, 62083, 64484, 68056, 70952, 76563, 79821, 82908, 91224, 96726, 102084, 106428, 110544, 119098, 124166, 128968, 136112, 141904, 145089, 153126, 159642, 165816, 178647, 182448, 186249, 193452, 204168, 212856, 238196, 248332, 257936, 290178, 306252, 319284, 331632, 357294, 372498, 386904, 408336, 416843, 425712, 476392, 496664, 535941, 558747, 580356, 612504, 638568, 714588, 744996, 773808, 833686, 952784, 993328, 1071882, 1117494, 1160712, 1225008, 1250529, 1277136, 1429176, 1489992, 1667372, 2143764, 2234988, 2321424, 2501058, 2858352, 2917901, 2979984, 3334744, 3751587, 4287528, 4469976, 5002116, 5835802, 6669488, 7503174, 8575056, 8753703, 8939952, 10004232, 11671604, 15006348, 17507406, 20008464, 23343208, 26261109, 30012696, 35014812, 46686416, 52522218, 60025392, 70029624, 105044436, 140059248, 210088872, 420177744]

約数ペア:

[(1, 420177744), (2, 210088872), (3, 140059248), (4, 105044436), (6, 70029624), (7, 60025392), (8, 52522218), (9, 46686416), (12, 35014812), (14, 30012696), (16, 26261109), (18, 23343208), (21, 20008464), (24, 17507406), (28, 15006348), (36, 11671604), (42, 10004232), (47, 8939952), (48, 8753703), (49, 8575056), (56, 7503174), (63, 6669488), (72, 5835802), (84, 5002116), (94, 4469976), (98, 4287528), (112, 3751587), (126, 3334744), (141, 2979984), (144, 2917901), (147, 2858352), (168, 2501058), (181, 2321424), (188, 2234988), (196, 2143764), (252, 1667372), (282, 1489992), (294, 1429176), (329, 1277136), (336, 1250529), (343, 1225008), (362, 1160712), (376, 1117494), (392, 1071882), (423, 993328), (441, 952784), (504, 833686), (543, 773808), (564, 744996), (588, 714588), (658, 638568), (686, 612504), (724, 580356), (752, 558747), (784, 535941), (846, 496664), (882, 476392), (987, 425712), (1008, 416843), (1029, 408336), (1086, 386904), (1128, 372498), (1176, 357294), (1267, 331632), (1316, 319284), (1372, 306252), (1448, 290178), (1629, 257936), (1692, 248332), (1764, 238196), (1974, 212856), (2058, 204168), (2172, 193452), (2256, 186249), (2303, 182448), (2352, 178647), (2534, 165816), (2632, 159642), (2744, 153126), (2896, 145089), (2961, 141904), (3087, 136112), (3258, 128968), (3384, 124166), (3528, 119098), (3801, 110544), (3948, 106428), (4116, 102084), (4344, 96726), (4606, 91224), (5068, 82908), (5264, 79821), (5488, 76563), (5922, 70952), (6174, 68056), (6516, 64484), (6768, 62083), (6909, 60816), (7056, 59549), (7602, 55272), (7896, 53214), (8232, 51042), (8507, 49392), (8688, 48363), (8869, 47376), (9212, 45612), (10136, 41454), (11403, 36848), (11844, 35476), (12348, 34028), (13032, 32242), (13818, 30408), (15204, 27636), (15792, 26607), (16121, 26064), (16464, 25521), (17014, 24696), (17738, 23688), (18424, 22806), (20272, 20727)]