221497440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 192

約数和(自身を含む): 743904000

約数和(自身を除く): 522406560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 149, 152, 160, 163, 190, 228, 240, 285, 298, 304, 326, 380, 447, 456, 480, 489, 570, 596, 608, 652, 745, 760, 815, 894, 912, 978, 1140, 1192, 1304, 1490, 1520, 1630, 1788, 1824, 1956, 2235, 2280, 2384, 2445, 2608, 2831, 2980, 3040, 3097, 3260, 3576, 3912, 4470, 4560, 4768, 4890, 5216, 5662, 5960, 6194, 6520, 7152, 7824, 8493, 8940, 9120, 9291, 9780, 11324, 11920, 12388, 13040, 14155, 14304, 15485, 15648, 16986, 17880, 18582, 19560, 22648, 23840, 24287, 24776, 26080, 28310, 30970, 33972, 35760, 37164, 39120, 42465, 45296, 46455, 48574, 49552, 56620, 61940, 67944, 71520, 72861, 74328, 78240, 84930, 90592, 92910, 97148, 99104, 113240, 121435, 123880, 135888, 145722, 148656, 169860, 185820, 194296, 226480, 242870, 247760, 271776, 291444, 297312, 339720, 364305, 371640, 388592, 452960, 461453, 485740, 495520, 582888, 679440, 728610, 743280, 777184, 922906, 971480, 1165776, 1358880, 1384359, 1457220, 1486560, 1845812, 1942960, 2307265, 2331552, 2768718, 2914440, 3691624, 3885920, 4614530, 5537436, 5828880, 6921795, 7383248, 9229060, 11074872, 11657760, 13843590, 14766496, 18458120, 22149744, 27687180, 36916240, 44299488, 55374360, 73832480, 110748720, 221497440]

約数ペア:

[(1, 221497440), (2, 110748720), (3, 73832480), (4, 55374360), (5, 44299488), (6, 36916240), (8, 27687180), (10, 22149744), (12, 18458120), (15, 14766496), (16, 13843590), (19, 11657760), (20, 11074872), (24, 9229060), (30, 7383248), (32, 6921795), (38, 5828880), (40, 5537436), (48, 4614530), (57, 3885920), (60, 3691624), (76, 2914440), (80, 2768718), (95, 2331552), (96, 2307265), (114, 1942960), (120, 1845812), (149, 1486560), (152, 1457220), (160, 1384359), (163, 1358880), (190, 1165776), (228, 971480), (240, 922906), (285, 777184), (298, 743280), (304, 728610), (326, 679440), (380, 582888), (447, 495520), (456, 485740), (480, 461453), (489, 452960), (570, 388592), (596, 371640), (608, 364305), (652, 339720), (745, 297312), (760, 291444), (815, 271776), (894, 247760), (912, 242870), (978, 226480), (1140, 194296), (1192, 185820), (1304, 169860), (1490, 148656), (1520, 145722), (1630, 135888), (1788, 123880), (1824, 121435), (1956, 113240), (2235, 99104), (2280, 97148), (2384, 92910), (2445, 90592), (2608, 84930), (2831, 78240), (2980, 74328), (3040, 72861), (3097, 71520), (3260, 67944), (3576, 61940), (3912, 56620), (4470, 49552), (4560, 48574), (4768, 46455), (4890, 45296), (5216, 42465), (5662, 39120), (5960, 37164), (6194, 35760), (6520, 33972), (7152, 30970), (7824, 28310), (8493, 26080), (8940, 24776), (9120, 24287), (9291, 23840), (9780, 22648), (11324, 19560), (11920, 18582), (12388, 17880), (13040, 16986), (14155, 15648), (14304, 15485)]