19851578880

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{369263}}^1$

素因数の和:369296

約数の個数: 160

約数和(自身を含む): 72529357824

約数和(自身を除く): 52677778944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 13440, 17920, 26880, 53760, 369263, 738526, 1107789, 1477052, 1846315, 2215578, 2584841, 2954104, 3692630, 4431156, 5169682, 5538945, 5908208, 7385260, 7754523, 8862312, 10339364, 11077890, 11816416, 12924205, 14770520, 15509046, 17724624, 20678728, 22155780, 23632832, 25848410, 29541040, 31018092, 35449248, 38772615, 41357456, 44311560, 47265664, 51696820, 59082080, 62036184, 70898496, 77545230, 82714912, 88623120, 94531328, 103393640, 118164160, 124072368, 141796992, 155090460, 165429824, 177246240, 189062656, 206787280, 236328320, 248144736, 283593984, 310180920, 330859648, 354492480, 413574560, 472656640, 496289472, 567187968, 620361840, 661719296, 708984960, 827149120, 945313280, 992578944, 1240723680, 1323438592, 1417969920, 1654298240, 1985157888, 2481447360, 2835939840, 3308596480, 3970315776, 4962894720, 6617192960, 9925789440, 19851578880]

約数ペア:

[(1, 19851578880), (2, 9925789440), (3, 6617192960), (4, 4962894720), (5, 3970315776), (6, 3308596480), (7, 2835939840), (8, 2481447360), (10, 1985157888), (12, 1654298240), (14, 1417969920), (15, 1323438592), (16, 1240723680), (20, 992578944), (21, 945313280), (24, 827149120), (28, 708984960), (30, 661719296), (32, 620361840), (35, 567187968), (40, 496289472), (42, 472656640), (48, 413574560), (56, 354492480), (60, 330859648), (64, 310180920), (70, 283593984), (80, 248144736), (84, 236328320), (96, 206787280), (105, 189062656), (112, 177246240), (120, 165429824), (128, 155090460), (140, 141796992), (160, 124072368), (168, 118164160), (192, 103393640), (210, 94531328), (224, 88623120), (240, 82714912), (256, 77545230), (280, 70898496), (320, 62036184), (336, 59082080), (384, 51696820), (420, 47265664), (448, 44311560), (480, 41357456), (512, 38772615), (560, 35449248), (640, 31018092), (672, 29541040), (768, 25848410), (840, 23632832), (896, 22155780), (960, 20678728), (1120, 17724624), (1280, 15509046), (1344, 14770520), (1536, 12924205), (1680, 11816416), (1792, 11077890), (1920, 10339364), (2240, 8862312), (2560, 7754523), (2688, 7385260), (3360, 5908208), (3584, 5538945), (3840, 5169682), (4480, 4431156), (5376, 3692630), (6720, 2954104), (7680, 2584841), (8960, 2215578), (10752, 1846315), (13440, 1477052), (17920, 1107789), (26880, 738526), (53760, 369263)]