128287440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 467970048

約数和(自身を除く): 339682608

約数列:

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

約数ペア:

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