15117480

素因数分解:

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

素因数の和:888

約数の個数: 144

約数和(自身を含む): 57220020

約数和(自身を除く): 42102540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 857, 882, 980, 1176, 1260, 1470, 1714, 1764, 1960, 2205, 2520, 2571, 2940, 3428, 3528, 4285, 4410, 5142, 5880, 5999, 6856, 7713, 8570, 8820, 10284, 11998, 12855, 15426, 17140, 17640, 17997, 20568, 23996, 25710, 29995, 30852, 34280, 35994, 38565, 41993, 47992, 51420, 53991, 59990, 61704, 71988, 77130, 83986, 89985, 102840, 107982, 119980, 125979, 143976, 154260, 167972, 179970, 209965, 215964, 239960, 251958, 269955, 308520, 335944, 359940, 377937, 419930, 431928, 503916, 539910, 629895, 719880, 755874, 839860, 1007832, 1079820, 1259790, 1511748, 1679720, 1889685, 2159640, 2519580, 3023496, 3779370, 5039160, 7558740, 15117480]

約数ペア:

[(1, 15117480), (2, 7558740), (3, 5039160), (4, 3779370), (5, 3023496), (6, 2519580), (7, 2159640), (8, 1889685), (9, 1679720), (10, 1511748), (12, 1259790), (14, 1079820), (15, 1007832), (18, 839860), (20, 755874), (21, 719880), (24, 629895), (28, 539910), (30, 503916), (35, 431928), (36, 419930), (40, 377937), (42, 359940), (45, 335944), (49, 308520), (56, 269955), (60, 251958), (63, 239960), (70, 215964), (72, 209965), (84, 179970), (90, 167972), (98, 154260), (105, 143976), (120, 125979), (126, 119980), (140, 107982), (147, 102840), (168, 89985), (180, 83986), (196, 77130), (210, 71988), (245, 61704), (252, 59990), (280, 53991), (294, 51420), (315, 47992), (360, 41993), (392, 38565), (420, 35994), (441, 34280), (490, 30852), (504, 29995), (588, 25710), (630, 23996), (735, 20568), (840, 17997), (857, 17640), (882, 17140), (980, 15426), (1176, 12855), (1260, 11998), (1470, 10284), (1714, 8820), (1764, 8570), (1960, 7713), (2205, 6856), (2520, 5999), (2571, 5880), (2940, 5142), (3428, 4410), (3528, 4285)]