15678886720

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:926

約数の個数: 224

約数和(自身を含む): 43810732800

約数和(自身を除く): 28131846080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 211, 224, 245, 280, 320, 343, 392, 422, 448, 490, 560, 677, 686, 784, 844, 980, 1055, 1120, 1354, 1372, 1477, 1568, 1688, 1715, 1960, 2110, 2240, 2708, 2744, 2954, 3136, 3376, 3385, 3430, 3920, 4220, 4739, 5416, 5488, 5908, 6752, 6770, 6860, 7385, 7840, 8440, 9478, 10339, 10832, 10976, 11816, 13504, 13540, 13720, 14770, 15680, 16880, 18956, 20678, 21664, 21952, 23632, 23695, 27080, 27440, 29540, 33173, 33760, 37912, 41356, 43328, 47264, 47390, 51695, 54160, 54880, 59080, 66346, 67520, 72373, 75824, 82712, 94528, 94780, 103390, 108320, 109760, 118160, 132692, 142847, 144746, 151648, 165424, 165865, 189560, 206780, 216640, 232211, 236320, 265384, 285694, 289492, 303296, 330848, 331730, 361865, 379120, 413560, 464422, 472640, 530768, 571388, 578984, 661696, 663460, 714235, 723730, 758240, 827120, 928844, 999929, 1061536, 1142776, 1157968, 1161055, 1326920, 1428470, 1447460, 1516480, 1654240, 1857688, 1999858, 2123072, 2285552, 2315936, 2322110, 2653840, 2856940, 2894920, 3308480, 3715376, 3999716, 4571104, 4631872, 4644220, 4999645, 5307680, 5713880, 5789840, 6999503, 7430752, 7999432, 9142208, 9288440, 9999290, 10615360, 11427760, 11579680, 13999006, 14861504, 15998864, 18576880, 19998580, 22855520, 23159360, 27998012, 31997728, 34997515, 37153760, 39997160, 45711040, 48996521, 55996024, 63995456, 69995030, 74307520, 79994320, 97993042, 111992048, 139990060, 159988640, 195986084, 223984096, 244982605, 279980120, 319977280, 391972168, 447968192, 489965210, 559960240, 783944336, 979930420, 1119920480, 1567888672, 1959860840, 2239840960, 3135777344, 3919721680, 7839443360, 15678886720]

約数ペア:

[(1, 15678886720), (2, 7839443360), (4, 3919721680), (5, 3135777344), (7, 2239840960), (8, 1959860840), (10, 1567888672), (14, 1119920480), (16, 979930420), (20, 783944336), (28, 559960240), (32, 489965210), (35, 447968192), (40, 391972168), (49, 319977280), (56, 279980120), (64, 244982605), (70, 223984096), (80, 195986084), (98, 159988640), (112, 139990060), (140, 111992048), (160, 97993042), (196, 79994320), (211, 74307520), (224, 69995030), (245, 63995456), (280, 55996024), (320, 48996521), (343, 45711040), (392, 39997160), (422, 37153760), (448, 34997515), (490, 31997728), (560, 27998012), (677, 23159360), (686, 22855520), (784, 19998580), (844, 18576880), (980, 15998864), (1055, 14861504), (1120, 13999006), (1354, 11579680), (1372, 11427760), (1477, 10615360), (1568, 9999290), (1688, 9288440), (1715, 9142208), (1960, 7999432), (2110, 7430752), (2240, 6999503), (2708, 5789840), (2744, 5713880), (2954, 5307680), (3136, 4999645), (3376, 4644220), (3385, 4631872), (3430, 4571104), (3920, 3999716), (4220, 3715376), (4739, 3308480), (5416, 2894920), (5488, 2856940), (5908, 2653840), (6752, 2322110), (6770, 2315936), (6860, 2285552), (7385, 2123072), (7840, 1999858), (8440, 1857688), (9478, 1654240), (10339, 1516480), (10832, 1447460), (10976, 1428470), (11816, 1326920), (13504, 1161055), (13540, 1157968), (13720, 1142776), (14770, 1061536), (15680, 999929), (16880, 928844), (18956, 827120), (20678, 758240), (21664, 723730), (21952, 714235), (23632, 663460), (23695, 661696), (27080, 578984), (27440, 571388), (29540, 530768), (33173, 472640), (33760, 464422), (37912, 413560), (41356, 379120), (43328, 361865), (47264, 331730), (47390, 330848), (51695, 303296), (54160, 289492), (54880, 285694), (59080, 265384), (66346, 236320), (67520, 232211), (72373, 216640), (75824, 206780), (82712, 189560), (94528, 165865), (94780, 165424), (103390, 151648), (108320, 144746), (109760, 142847), (118160, 132692)]