81478080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 168

約数和(自身を含む): 295198800

約数和(自身を除く): 213720720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1489, 1520, 1710, 1824, 2280, 2736, 2880, 2978, 3040, 3420, 3648, 4467, 4560, 5472, 5956, 6080, 6840, 7445, 8934, 9120, 10944, 11912, 13401, 13680, 14890, 17868, 18240, 22335, 23824, 26802, 27360, 28291, 29780, 35736, 44670, 47648, 53604, 54720, 56582, 59560, 67005, 71472, 84873, 89340, 95296, 107208, 113164, 119120, 134010, 141455, 142944, 169746, 178680, 214416, 226328, 238240, 254619, 268020, 282910, 285888, 339492, 357360, 424365, 428832, 452656, 476480, 509238, 536040, 565820, 678984, 714720, 848730, 857664, 905312, 1018476, 1072080, 1131640, 1273095, 1357968, 1429440, 1697460, 1810624, 2036952, 2144160, 2263280, 2546190, 2715936, 3394920, 4073904, 4288320, 4526560, 5092380, 5431872, 6789840, 8147808, 9053120, 10184760, 13579680, 16295616, 20369520, 27159360, 40739040, 81478080]

約数ペア:

[(1, 81478080), (2, 40739040), (3, 27159360), (4, 20369520), (5, 16295616), (6, 13579680), (8, 10184760), (9, 9053120), (10, 8147808), (12, 6789840), (15, 5431872), (16, 5092380), (18, 4526560), (19, 4288320), (20, 4073904), (24, 3394920), (30, 2715936), (32, 2546190), (36, 2263280), (38, 2144160), (40, 2036952), (45, 1810624), (48, 1697460), (57, 1429440), (60, 1357968), (64, 1273095), (72, 1131640), (76, 1072080), (80, 1018476), (90, 905312), (95, 857664), (96, 848730), (114, 714720), (120, 678984), (144, 565820), (152, 536040), (160, 509238), (171, 476480), (180, 452656), (190, 428832), (192, 424365), (228, 357360), (240, 339492), (285, 285888), (288, 282910), (304, 268020), (320, 254619), (342, 238240), (360, 226328), (380, 214416), (456, 178680), (480, 169746), (570, 142944), (576, 141455), (608, 134010), (684, 119120), (720, 113164), (760, 107208), (855, 95296), (912, 89340), (960, 84873), (1140, 71472), (1216, 67005), (1368, 59560), (1440, 56582), (1489, 54720), (1520, 53604), (1710, 47648), (1824, 44670), (2280, 35736), (2736, 29780), (2880, 28291), (2978, 27360), (3040, 26802), (3420, 23824), (3648, 22335), (4467, 18240), (4560, 17868), (5472, 14890), (5956, 13680), (6080, 13401), (6840, 11912), (7445, 10944), (8934, 9120)]