256574880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 288

約数和(自身を含む): 951035904

約数和(自身を除く): 694461024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 47, 48, 51, 60, 68, 72, 80, 85, 90, 94, 96, 102, 120, 136, 141, 144, 153, 160, 170, 180, 188, 204, 223, 235, 240, 255, 272, 282, 288, 306, 340, 360, 376, 408, 423, 446, 470, 480, 510, 544, 564, 612, 669, 680, 705, 720, 752, 765, 799, 816, 846, 892, 940, 1020, 1115, 1128, 1224, 1338, 1360, 1410, 1440, 1504, 1530, 1598, 1632, 1692, 1784, 1880, 2007, 2040, 2115, 2230, 2256, 2397, 2448, 2676, 2720, 2820, 3060, 3196, 3345, 3384, 3568, 3760, 3791, 3995, 4014, 4080, 4230, 4460, 4512, 4794, 4896, 5352, 5640, 6120, 6392, 6690, 6768, 7136, 7191, 7520, 7582, 7990, 8028, 8160, 8460, 8920, 9588, 10035, 10481, 10704, 11280, 11373, 11985, 12240, 12784, 13380, 13536, 14382, 15164, 15980, 16056, 16920, 17840, 18955, 19176, 20070, 20962, 21408, 22560, 22746, 23970, 24480, 25568, 26760, 28764, 30328, 31443, 31960, 32112, 33840, 34119, 35680, 35955, 37910, 38352, 40140, 41924, 45492, 47940, 52405, 53520, 56865, 57528, 60656, 62886, 63920, 64224, 67680, 68238, 71910, 75820, 76704, 80280, 83848, 90984, 94329, 95880, 104810, 107040, 113730, 115056, 121312, 125772, 127840, 136476, 143820, 151640, 157215, 160560, 167696, 170595, 178177, 181968, 188658, 191760, 209620, 227460, 230112, 251544, 272952, 287640, 303280, 314430, 321120, 335392, 341190, 356354, 363936, 377316, 383520, 419240, 454920, 471645, 503088, 534531, 545904, 575280, 606560, 628860, 682380, 712708, 754632, 838480, 890885, 909840, 943290, 1006176, 1069062, 1091808, 1150560, 1257720, 1364760, 1425416, 1509264, 1603593, 1676960, 1781770, 1819680, 1886580, 2138124, 2515440, 2672655, 2729520, 2850832, 3018528, 3207186, 3563540, 3773160, 4276248, 5030880, 5345310, 5459040, 5701664, 6414372, 7127080, 7546320, 8017965, 8552496, 10690620, 12828744, 14254160, 15092640, 16035930, 17104992, 21381240, 25657488, 28508320, 32071860, 42762480, 51314976, 64143720, 85524960, 128287440, 256574880]

約数ペア:

[(1, 256574880), (2, 128287440), (3, 85524960), (4, 64143720), (5, 51314976), (6, 42762480), (8, 32071860), (9, 28508320), (10, 25657488), (12, 21381240), (15, 17104992), (16, 16035930), (17, 15092640), (18, 14254160), (20, 12828744), (24, 10690620), (30, 8552496), (32, 8017965), (34, 7546320), (36, 7127080), (40, 6414372), (45, 5701664), (47, 5459040), (48, 5345310), (51, 5030880), (60, 4276248), (68, 3773160), (72, 3563540), (80, 3207186), (85, 3018528), (90, 2850832), (94, 2729520), (96, 2672655), (102, 2515440), (120, 2138124), (136, 1886580), (141, 1819680), (144, 1781770), (153, 1676960), (160, 1603593), (170, 1509264), (180, 1425416), (188, 1364760), (204, 1257720), (223, 1150560), (235, 1091808), (240, 1069062), (255, 1006176), (272, 943290), (282, 909840), (288, 890885), (306, 838480), (340, 754632), (360, 712708), (376, 682380), (408, 628860), (423, 606560), (446, 575280), (470, 545904), (480, 534531), (510, 503088), (544, 471645), (564, 454920), (612, 419240), (669, 383520), (680, 377316), (705, 363936), (720, 356354), (752, 341190), (765, 335392), (799, 321120), (816, 314430), (846, 303280), (892, 287640), (940, 272952), (1020, 251544), (1115, 230112), (1128, 227460), (1224, 209620), (1338, 191760), (1360, 188658), (1410, 181968), (1440, 178177), (1504, 170595), (1530, 167696), (1598, 160560), (1632, 157215), (1692, 151640), (1784, 143820), (1880, 136476), (2007, 127840), (2040, 125772), (2115, 121312), (2230, 115056), (2256, 113730), (2397, 107040), (2448, 104810), (2676, 95880), (2720, 94329), (2820, 90984), (3060, 83848), (3196, 80280), (3345, 76704), (3384, 75820), (3568, 71910), (3760, 68238), (3791, 67680), (3995, 64224), (4014, 63920), (4080, 62886), (4230, 60656), (4460, 57528), (4512, 56865), (4794, 53520), (4896, 52405), (5352, 47940), (5640, 45492), (6120, 41924), (6392, 40140), (6690, 38352), (6768, 37910), (7136, 35955), (7191, 35680), (7520, 34119), (7582, 33840), (7990, 32112), (8028, 31960), (8160, 31443), (8460, 30328), (8920, 28764), (9588, 26760), (10035, 25568), (10481, 24480), (10704, 23970), (11280, 22746), (11373, 22560), (11985, 21408), (12240, 20962), (12784, 20070), (13380, 19176), (13536, 18955), (14382, 17840), (15164, 16920), (15980, 16056)]