128498580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:903

約数の個数: 216

約数和(自身を含む): 480648168

約数和(自身を除く): 352149588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 857, 882, 980, 1020, 1071, 1190, 1260, 1428, 1470, 1530, 1666, 1714, 1764, 1785, 2142, 2205, 2380, 2499, 2571, 2940, 3060, 3332, 3428, 3570, 4165, 4284, 4285, 4410, 4998, 5142, 5355, 5999, 7140, 7497, 7713, 8330, 8570, 8820, 9996, 10284, 10710, 11998, 12495, 12855, 14569, 14994, 15426, 16660, 17140, 17997, 21420, 23996, 24990, 25710, 29138, 29988, 29995, 30852, 35994, 37485, 38565, 41993, 43707, 49980, 51420, 53991, 58276, 59990, 71988, 72845, 74970, 77130, 83986, 87414, 89985, 101983, 107982, 119980, 125979, 131121, 145690, 149940, 154260, 167972, 174828, 179970, 203966, 209965, 215964, 218535, 251958, 262242, 269955, 291380, 305949, 359940, 377937, 407932, 419930, 437070, 503916, 509915, 524484, 539910, 611898, 629895, 655605, 713881, 755874, 839860, 874140, 917847, 1019830, 1079820, 1223796, 1259790, 1311210, 1427762, 1511748, 1529745, 1835694, 1889685, 2039660, 2141643, 2519580, 2622420, 2855524, 3059490, 3569405, 3671388, 3779370, 4283286, 4589235, 6118980, 6424929, 7138810, 7558740, 8566572, 9178470, 10708215, 12849858, 14277620, 18356940, 21416430, 25699716, 32124645, 42832860, 64249290, 128498580]

約数ペア:

[(1, 128498580), (2, 64249290), (3, 42832860), (4, 32124645), (5, 25699716), (6, 21416430), (7, 18356940), (9, 14277620), (10, 12849858), (12, 10708215), (14, 9178470), (15, 8566572), (17, 7558740), (18, 7138810), (20, 6424929), (21, 6118980), (28, 4589235), (30, 4283286), (34, 3779370), (35, 3671388), (36, 3569405), (42, 3059490), (45, 2855524), (49, 2622420), (51, 2519580), (60, 2141643), (63, 2039660), (68, 1889685), (70, 1835694), (84, 1529745), (85, 1511748), (90, 1427762), (98, 1311210), (102, 1259790), (105, 1223796), (119, 1079820), (126, 1019830), (140, 917847), (147, 874140), (153, 839860), (170, 755874), (180, 713881), (196, 655605), (204, 629895), (210, 611898), (238, 539910), (245, 524484), (252, 509915), (255, 503916), (294, 437070), (306, 419930), (315, 407932), (340, 377937), (357, 359940), (420, 305949), (441, 291380), (476, 269955), (490, 262242), (510, 251958), (588, 218535), (595, 215964), (612, 209965), (630, 203966), (714, 179970), (735, 174828), (765, 167972), (833, 154260), (857, 149940), (882, 145690), (980, 131121), (1020, 125979), (1071, 119980), (1190, 107982), (1260, 101983), (1428, 89985), (1470, 87414), (1530, 83986), (1666, 77130), (1714, 74970), (1764, 72845), (1785, 71988), (2142, 59990), (2205, 58276), (2380, 53991), (2499, 51420), (2571, 49980), (2940, 43707), (3060, 41993), (3332, 38565), (3428, 37485), (3570, 35994), (4165, 30852), (4284, 29995), (4285, 29988), (4410, 29138), (4998, 25710), (5142, 24990), (5355, 23996), (5999, 21420), (7140, 17997), (7497, 17140), (7713, 16660), (8330, 15426), (8570, 14994), (8820, 14569), (9996, 12855), (10284, 12495), (10710, 11998)]