278245260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 926069760

約数和(自身を除く): 647824500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 43, 45, 46, 54, 60, 69, 86, 90, 92, 108, 115, 129, 135, 138, 172, 180, 207, 215, 230, 258, 270, 276, 345, 387, 414, 430, 460, 516, 521, 540, 621, 645, 690, 774, 828, 860, 989, 1035, 1042, 1161, 1242, 1290, 1380, 1548, 1563, 1935, 1978, 2070, 2084, 2322, 2484, 2580, 2605, 2967, 3105, 3126, 3870, 3956, 4140, 4644, 4689, 4945, 5210, 5805, 5934, 6210, 6252, 7740, 7815, 8901, 9378, 9890, 10420, 11610, 11868, 11983, 12420, 14067, 14835, 15630, 17802, 18756, 19780, 22403, 23220, 23445, 23966, 26703, 28134, 29670, 31260, 35604, 35949, 44505, 44806, 46890, 47932, 53406, 56268, 59340, 59915, 67209, 70335, 71898, 89010, 89612, 93780, 106812, 107847, 112015, 119830, 133515, 134418, 140670, 143796, 178020, 179745, 201627, 215694, 224030, 239660, 267030, 268836, 281340, 323541, 336045, 359490, 403254, 431388, 448060, 515269, 534060, 539235, 604881, 647082, 672090, 718980, 806508, 1008135, 1030538, 1078470, 1209762, 1294164, 1344180, 1545807, 1617705, 2016270, 2061076, 2156940, 2419524, 2576345, 3024405, 3091614, 3235410, 4032540, 4637421, 5152690, 6048810, 6183228, 6470820, 7729035, 9274842, 10305380, 12097620, 13912263, 15458070, 18549684, 23187105, 27824526, 30916140, 46374210, 55649052, 69561315, 92748420, 139122630, 278245260]

約数ペア:

[(1, 278245260), (2, 139122630), (3, 92748420), (4, 69561315), (5, 55649052), (6, 46374210), (9, 30916140), (10, 27824526), (12, 23187105), (15, 18549684), (18, 15458070), (20, 13912263), (23, 12097620), (27, 10305380), (30, 9274842), (36, 7729035), (43, 6470820), (45, 6183228), (46, 6048810), (54, 5152690), (60, 4637421), (69, 4032540), (86, 3235410), (90, 3091614), (92, 3024405), (108, 2576345), (115, 2419524), (129, 2156940), (135, 2061076), (138, 2016270), (172, 1617705), (180, 1545807), (207, 1344180), (215, 1294164), (230, 1209762), (258, 1078470), (270, 1030538), (276, 1008135), (345, 806508), (387, 718980), (414, 672090), (430, 647082), (460, 604881), (516, 539235), (521, 534060), (540, 515269), (621, 448060), (645, 431388), (690, 403254), (774, 359490), (828, 336045), (860, 323541), (989, 281340), (1035, 268836), (1042, 267030), (1161, 239660), (1242, 224030), (1290, 215694), (1380, 201627), (1548, 179745), (1563, 178020), (1935, 143796), (1978, 140670), (2070, 134418), (2084, 133515), (2322, 119830), (2484, 112015), (2580, 107847), (2605, 106812), (2967, 93780), (3105, 89612), (3126, 89010), (3870, 71898), (3956, 70335), (4140, 67209), (4644, 59915), (4689, 59340), (4945, 56268), (5210, 53406), (5805, 47932), (5934, 46890), (6210, 44806), (6252, 44505), (7740, 35949), (7815, 35604), (8901, 31260), (9378, 29670), (9890, 28134), (10420, 26703), (11610, 23966), (11868, 23445), (11983, 23220), (12420, 22403), (14067, 19780), (14835, 18756), (15630, 17802)]