164636640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{16333}}^1$

素因数の和:16361

約数の個数: 144

約数和(自身を含む): 642122208

約数和(自身を除く): 477485568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 16333, 32666, 48999, 65332, 81665, 97998, 114331, 130664, 146997, 163330, 195996, 228662, 244995, 261328, 293994, 326660, 342993, 391992, 457324, 489990, 522656, 571655, 587988, 653320, 685986, 734985, 783984, 914648, 979980, 1028979, 1143310, 1175976, 1306640, 1371972, 1469970, 1567968, 1714965, 1829296, 1959960, 2057958, 2286620, 2351952, 2613280, 2743944, 2939940, 3429930, 3658592, 3919920, 4115916, 4573240, 4703904, 5144895, 5487888, 5879880, 6859860, 7839840, 8231832, 9146480, 10289790, 10975776, 11759760, 13719720, 16463664, 18292960, 20579580, 23519520, 27439440, 32927328, 41159160, 54878880, 82318320, 164636640]

約数ペア:

[(1, 164636640), (2, 82318320), (3, 54878880), (4, 41159160), (5, 32927328), (6, 27439440), (7, 23519520), (8, 20579580), (9, 18292960), (10, 16463664), (12, 13719720), (14, 11759760), (15, 10975776), (16, 10289790), (18, 9146480), (20, 8231832), (21, 7839840), (24, 6859860), (28, 5879880), (30, 5487888), (32, 5144895), (35, 4703904), (36, 4573240), (40, 4115916), (42, 3919920), (45, 3658592), (48, 3429930), (56, 2939940), (60, 2743944), (63, 2613280), (70, 2351952), (72, 2286620), (80, 2057958), (84, 1959960), (90, 1829296), (96, 1714965), (105, 1567968), (112, 1469970), (120, 1371972), (126, 1306640), (140, 1175976), (144, 1143310), (160, 1028979), (168, 979980), (180, 914648), (210, 783984), (224, 734985), (240, 685986), (252, 653320), (280, 587988), (288, 571655), (315, 522656), (336, 489990), (360, 457324), (420, 391992), (480, 342993), (504, 326660), (560, 293994), (630, 261328), (672, 244995), (720, 228662), (840, 195996), (1008, 163330), (1120, 146997), (1260, 130664), (1440, 114331), (1680, 97998), (2016, 81665), (2520, 65332), (3360, 48999), (5040, 32666), (10080, 16333)]