31217760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 288

約数和(自身を含む): 128943360

約数和(自身を除く): 97725600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 163, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 326, 336, 342, 360, 380, 399, 420, 456, 480, 489, 504, 532, 560, 570, 608, 630, 652, 665, 672, 684, 720, 760, 798, 815, 840, 855, 912, 978, 1008, 1064, 1120, 1140, 1141, 1197, 1260, 1304, 1330, 1368, 1440, 1467, 1520, 1596, 1630, 1680, 1710, 1824, 1956, 1995, 2016, 2128, 2280, 2282, 2394, 2445, 2520, 2608, 2660, 2736, 2934, 3040, 3097, 3192, 3260, 3360, 3420, 3423, 3912, 3990, 4256, 4560, 4564, 4788, 4890, 5040, 5216, 5320, 5472, 5705, 5868, 5985, 6194, 6384, 6520, 6840, 6846, 7335, 7824, 7980, 9120, 9128, 9291, 9576, 9780, 10080, 10269, 10640, 11410, 11736, 11970, 12388, 12768, 13040, 13680, 13692, 14670, 15485, 15648, 15960, 17115, 18256, 18582, 19152, 19560, 20538, 21280, 21679, 22820, 23472, 23940, 24776, 26080, 27360, 27384, 27873, 29340, 30970, 31920, 34230, 36512, 37164, 38304, 39120, 41076, 43358, 45640, 46455, 46944, 47880, 49552, 51345, 54768, 55746, 58680, 61940, 63840, 65037, 68460, 74328, 78240, 82152, 86716, 91280, 92910, 95760, 99104, 102690, 108395, 109536, 111492, 117360, 123880, 130074, 136920, 139365, 148656, 164304, 173432, 182560, 185820, 191520, 195111, 205380, 216790, 222984, 234720, 247760, 260148, 273840, 278730, 297312, 325185, 328608, 346864, 371640, 390222, 410760, 433580, 445968, 495520, 520296, 547680, 557460, 650370, 693728, 743280, 780444, 821520, 867160, 891936, 975555, 1040592, 1114920, 1300740, 1486560, 1560888, 1643040, 1734320, 1951110, 2081184, 2229840, 2601480, 3121776, 3468640, 3902220, 4459680, 5202960, 6243552, 7804440, 10405920, 15608880, 31217760]

約数ペア:

[(1, 31217760), (2, 15608880), (3, 10405920), (4, 7804440), (5, 6243552), (6, 5202960), (7, 4459680), (8, 3902220), (9, 3468640), (10, 3121776), (12, 2601480), (14, 2229840), (15, 2081184), (16, 1951110), (18, 1734320), (19, 1643040), (20, 1560888), (21, 1486560), (24, 1300740), (28, 1114920), (30, 1040592), (32, 975555), (35, 891936), (36, 867160), (38, 821520), (40, 780444), (42, 743280), (45, 693728), (48, 650370), (56, 557460), (57, 547680), (60, 520296), (63, 495520), (70, 445968), (72, 433580), (76, 410760), (80, 390222), (84, 371640), (90, 346864), (95, 328608), (96, 325185), (105, 297312), (112, 278730), (114, 273840), (120, 260148), (126, 247760), (133, 234720), (140, 222984), (144, 216790), (152, 205380), (160, 195111), (163, 191520), (168, 185820), (171, 182560), (180, 173432), (190, 164304), (210, 148656), (224, 139365), (228, 136920), (240, 130074), (252, 123880), (266, 117360), (280, 111492), (285, 109536), (288, 108395), (304, 102690), (315, 99104), (326, 95760), (336, 92910), (342, 91280), (360, 86716), (380, 82152), (399, 78240), (420, 74328), (456, 68460), (480, 65037), (489, 63840), (504, 61940), (532, 58680), (560, 55746), (570, 54768), (608, 51345), (630, 49552), (652, 47880), (665, 46944), (672, 46455), (684, 45640), (720, 43358), (760, 41076), (798, 39120), (815, 38304), (840, 37164), (855, 36512), (912, 34230), (978, 31920), (1008, 30970), (1064, 29340), (1120, 27873), (1140, 27384), (1141, 27360), (1197, 26080), (1260, 24776), (1304, 23940), (1330, 23472), (1368, 22820), (1440, 21679), (1467, 21280), (1520, 20538), (1596, 19560), (1630, 19152), (1680, 18582), (1710, 18256), (1824, 17115), (1956, 15960), (1995, 15648), (2016, 15485), (2128, 14670), (2280, 13692), (2282, 13680), (2394, 13040), (2445, 12768), (2520, 12388), (2608, 11970), (2660, 11736), (2736, 11410), (2934, 10640), (3040, 10269), (3097, 10080), (3192, 9780), (3260, 9576), (3360, 9291), (3420, 9128), (3423, 9120), (3912, 7980), (3990, 7824), (4256, 7335), (4560, 6846), (4564, 6840), (4788, 6520), (4890, 6384), (5040, 6194), (5216, 5985), (5320, 5868), (5472, 5705)]