204150120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 628992000

約数和(自身を除く): 424841880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 103, 120, 166, 199, 206, 249, 309, 332, 398, 412, 415, 498, 515, 597, 618, 664, 796, 824, 830, 995, 996, 1030, 1194, 1236, 1245, 1545, 1592, 1660, 1990, 1992, 2060, 2388, 2472, 2490, 2985, 3090, 3320, 3980, 4120, 4776, 4980, 5970, 6180, 7960, 8549, 9960, 11940, 12360, 16517, 17098, 20497, 23880, 25647, 33034, 34196, 40994, 42745, 49551, 51294, 61491, 66068, 68392, 81988, 82585, 85490, 99102, 102485, 102588, 122982, 128235, 132136, 163976, 165170, 170980, 198204, 204970, 205176, 245964, 247755, 256470, 307455, 330340, 341960, 396408, 409940, 491928, 495510, 512940, 614910, 660680, 819880, 991020, 1025880, 1229820, 1701251, 1982040, 2459640, 3402502, 5103753, 6805004, 8506255, 10207506, 13610008, 17012510, 20415012, 25518765, 34025020, 40830024, 51037530, 68050040, 102075060, 204150120]

約数ペア:

[(1, 204150120), (2, 102075060), (3, 68050040), (4, 51037530), (5, 40830024), (6, 34025020), (8, 25518765), (10, 20415012), (12, 17012510), (15, 13610008), (20, 10207506), (24, 8506255), (30, 6805004), (40, 5103753), (60, 3402502), (83, 2459640), (103, 1982040), (120, 1701251), (166, 1229820), (199, 1025880), (206, 991020), (249, 819880), (309, 660680), (332, 614910), (398, 512940), (412, 495510), (415, 491928), (498, 409940), (515, 396408), (597, 341960), (618, 330340), (664, 307455), (796, 256470), (824, 247755), (830, 245964), (995, 205176), (996, 204970), (1030, 198204), (1194, 170980), (1236, 165170), (1245, 163976), (1545, 132136), (1592, 128235), (1660, 122982), (1990, 102588), (1992, 102485), (2060, 99102), (2388, 85490), (2472, 82585), (2490, 81988), (2985, 68392), (3090, 66068), (3320, 61491), (3980, 51294), (4120, 49551), (4776, 42745), (4980, 40994), (5970, 34196), (6180, 33034), (7960, 25647), (8549, 23880), (9960, 20497), (11940, 17098), (12360, 16517)]