251079120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 908258832

約数和(自身を除く): 657179712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 73, 80, 85, 90, 102, 120, 136, 144, 146, 153, 170, 180, 204, 219, 240, 255, 272, 281, 292, 306, 340, 360, 365, 408, 438, 510, 562, 584, 612, 657, 680, 720, 730, 765, 816, 843, 876, 1020, 1095, 1124, 1168, 1224, 1241, 1314, 1360, 1405, 1460, 1530, 1686, 1752, 2040, 2190, 2248, 2448, 2482, 2529, 2628, 2810, 2920, 3060, 3285, 3372, 3504, 3723, 4080, 4215, 4380, 4496, 4777, 4964, 5058, 5256, 5620, 5840, 6120, 6205, 6570, 6744, 7446, 8430, 8760, 9554, 9928, 10116, 10512, 11169, 11240, 12240, 12410, 12645, 13140, 13488, 14331, 14892, 16860, 17520, 18615, 19108, 19856, 20232, 20513, 22338, 22480, 23885, 24820, 25290, 26280, 28662, 29784, 33720, 37230, 38216, 40464, 41026, 42993, 44676, 47770, 49640, 50580, 52560, 55845, 57324, 59568, 61539, 67440, 71655, 74460, 76432, 82052, 85986, 89352, 95540, 99280, 101160, 102565, 111690, 114648, 123078, 143310, 148920, 164104, 171972, 178704, 184617, 191080, 202320, 205130, 214965, 223380, 229296, 246156, 286620, 297840, 307695, 328208, 343944, 348721, 369234, 382160, 410260, 429930, 446760, 492312, 573240, 615390, 687888, 697442, 738468, 820520, 859860, 893520, 923085, 984624, 1046163, 1146480, 1230780, 1394884, 1476936, 1641040, 1719720, 1743605, 1846170, 2092326, 2461560, 2789768, 2953872, 3138489, 3439440, 3487210, 3692340, 4184652, 4923120, 5230815, 5579536, 6276978, 6974420, 7384680, 8369304, 10461630, 12553956, 13948840, 14769360, 15692445, 16738608, 20923260, 25107912, 27897680, 31384890, 41846520, 50215824, 62769780, 83693040, 125539560, 251079120]

約数ペア:

[(1, 251079120), (2, 125539560), (3, 83693040), (4, 62769780), (5, 50215824), (6, 41846520), (8, 31384890), (9, 27897680), (10, 25107912), (12, 20923260), (15, 16738608), (16, 15692445), (17, 14769360), (18, 13948840), (20, 12553956), (24, 10461630), (30, 8369304), (34, 7384680), (36, 6974420), (40, 6276978), (45, 5579536), (48, 5230815), (51, 4923120), (60, 4184652), (68, 3692340), (72, 3487210), (73, 3439440), (80, 3138489), (85, 2953872), (90, 2789768), (102, 2461560), (120, 2092326), (136, 1846170), (144, 1743605), (146, 1719720), (153, 1641040), (170, 1476936), (180, 1394884), (204, 1230780), (219, 1146480), (240, 1046163), (255, 984624), (272, 923085), (281, 893520), (292, 859860), (306, 820520), (340, 738468), (360, 697442), (365, 687888), (408, 615390), (438, 573240), (510, 492312), (562, 446760), (584, 429930), (612, 410260), (657, 382160), (680, 369234), (720, 348721), (730, 343944), (765, 328208), (816, 307695), (843, 297840), (876, 286620), (1020, 246156), (1095, 229296), (1124, 223380), (1168, 214965), (1224, 205130), (1241, 202320), (1314, 191080), (1360, 184617), (1405, 178704), (1460, 171972), (1530, 164104), (1686, 148920), (1752, 143310), (2040, 123078), (2190, 114648), (2248, 111690), (2448, 102565), (2482, 101160), (2529, 99280), (2628, 95540), (2810, 89352), (2920, 85986), (3060, 82052), (3285, 76432), (3372, 74460), (3504, 71655), (3723, 67440), (4080, 61539), (4215, 59568), (4380, 57324), (4496, 55845), (4777, 52560), (4964, 50580), (5058, 49640), (5256, 47770), (5620, 44676), (5840, 42993), (6120, 41026), (6205, 40464), (6570, 38216), (6744, 37230), (7446, 33720), (8430, 29784), (8760, 28662), (9554, 26280), (9928, 25290), (10116, 24820), (10512, 23885), (11169, 22480), (11240, 22338), (12240, 20513), (12410, 20232), (12645, 19856), (13140, 19108), (13488, 18615), (14331, 17520), (14892, 16860)]