247359840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 288

約数和(自身を含む): 977326560

約数和(自身を除く): 729966720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 809, 840, 910, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1365, 1456, 1470, 1560, 1568, 1618, 1680, 1820, 1911, 1960, 2080, 2184, 2352, 2427, 2548, 2730, 2912, 2940, 3120, 3185, 3236, 3360, 3640, 3822, 3920, 4045, 4368, 4704, 4854, 5096, 5460, 5663, 5880, 6240, 6370, 6472, 7280, 7644, 7840, 8090, 8736, 9555, 9708, 10192, 10517, 10920, 11326, 11760, 12135, 12740, 12944, 14560, 15288, 16180, 16989, 19110, 19416, 20384, 21034, 21840, 22652, 23520, 24270, 25480, 25888, 28315, 30576, 31551, 32360, 33978, 38220, 38832, 39641, 42068, 43680, 45304, 48540, 50960, 52585, 56630, 61152, 63102, 64720, 67956, 73619, 76440, 77664, 79282, 84136, 84945, 90608, 97080, 101920, 105170, 113260, 118923, 126204, 129440, 135912, 147238, 152880, 157755, 158564, 168272, 169890, 181216, 194160, 198205, 210340, 220857, 226520, 237846, 252408, 271824, 294476, 305760, 315510, 317128, 336544, 339780, 368095, 388320, 396410, 420680, 441714, 453040, 475692, 504816, 515333, 543648, 588952, 594615, 631020, 634256, 679560, 736190, 792820, 841360, 883428, 906080, 951384, 1009632, 1030666, 1104285, 1177904, 1189230, 1262040, 1268512, 1359120, 1472380, 1545999, 1585640, 1682720, 1766856, 1902768, 2061332, 2208570, 2355808, 2378460, 2524080, 2576665, 2718240, 2944760, 3091998, 3171280, 3533712, 3805536, 4122664, 4417140, 4756920, 5048160, 5153330, 5889520, 6183996, 6342560, 7067424, 7729995, 8245328, 8834280, 9513840, 10306660, 11779040, 12367992, 15459990, 16490656, 17668560, 19027680, 20613320, 24735984, 30919980, 35337120, 41226640, 49471968, 61839960, 82453280, 123679920, 247359840]

約数ペア:

[(1, 247359840), (2, 123679920), (3, 82453280), (4, 61839960), (5, 49471968), (6, 41226640), (7, 35337120), (8, 30919980), (10, 24735984), (12, 20613320), (13, 19027680), (14, 17668560), (15, 16490656), (16, 15459990), (20, 12367992), (21, 11779040), (24, 10306660), (26, 9513840), (28, 8834280), (30, 8245328), (32, 7729995), (35, 7067424), (39, 6342560), (40, 6183996), (42, 5889520), (48, 5153330), (49, 5048160), (52, 4756920), (56, 4417140), (60, 4122664), (65, 3805536), (70, 3533712), (78, 3171280), (80, 3091998), (84, 2944760), (91, 2718240), (96, 2576665), (98, 2524080), (104, 2378460), (105, 2355808), (112, 2208570), (120, 2061332), (130, 1902768), (140, 1766856), (147, 1682720), (156, 1585640), (160, 1545999), (168, 1472380), (182, 1359120), (195, 1268512), (196, 1262040), (208, 1189230), (210, 1177904), (224, 1104285), (240, 1030666), (245, 1009632), (260, 951384), (273, 906080), (280, 883428), (294, 841360), (312, 792820), (336, 736190), (364, 679560), (390, 634256), (392, 631020), (416, 594615), (420, 588952), (455, 543648), (480, 515333), (490, 504816), (520, 475692), (546, 453040), (560, 441714), (588, 420680), (624, 396410), (637, 388320), (672, 368095), (728, 339780), (735, 336544), (780, 317128), (784, 315510), (809, 305760), (840, 294476), (910, 271824), (980, 252408), (1040, 237846), (1092, 226520), (1120, 220857), (1176, 210340), (1248, 198205), (1274, 194160), (1365, 181216), (1456, 169890), (1470, 168272), (1560, 158564), (1568, 157755), (1618, 152880), (1680, 147238), (1820, 135912), (1911, 129440), (1960, 126204), (2080, 118923), (2184, 113260), (2352, 105170), (2427, 101920), (2548, 97080), (2730, 90608), (2912, 84945), (2940, 84136), (3120, 79282), (3185, 77664), (3236, 76440), (3360, 73619), (3640, 67956), (3822, 64720), (3920, 63102), (4045, 61152), (4368, 56630), (4704, 52585), (4854, 50960), (5096, 48540), (5460, 45304), (5663, 43680), (5880, 42068), (6240, 39641), (6370, 38832), (6472, 38220), (7280, 33978), (7644, 32360), (7840, 31551), (8090, 30576), (8736, 28315), (9555, 25888), (9708, 25480), (10192, 24270), (10517, 23520), (10920, 22652), (11326, 21840), (11760, 21034), (12135, 20384), (12740, 19416), (12944, 19110), (14560, 16989), (15288, 16180)]