254656320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 224

約数和(自身を含む): 858316800

約数和(自身を除く): 603660480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 64, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 192, 199, 215, 240, 248, 258, 310, 320, 344, 372, 398, 430, 465, 480, 496, 516, 597, 620, 645, 688, 744, 796, 860, 930, 960, 992, 995, 1032, 1194, 1240, 1290, 1333, 1376, 1488, 1592, 1720, 1860, 1984, 1990, 2064, 2388, 2480, 2580, 2666, 2752, 2976, 2985, 3184, 3440, 3720, 3980, 3999, 4128, 4776, 4960, 5160, 5332, 5952, 5970, 6169, 6368, 6665, 6880, 7440, 7960, 7998, 8256, 8557, 9552, 9920, 10320, 10664, 11940, 12338, 12736, 13330, 13760, 14880, 15920, 15996, 17114, 18507, 19104, 19995, 20640, 21328, 23880, 24676, 25671, 26660, 29760, 30845, 31840, 31992, 34228, 37014, 38208, 39990, 41280, 42656, 42785, 47760, 49352, 51342, 53320, 61690, 63680, 63984, 68456, 74028, 79980, 85312, 85570, 92535, 95520, 98704, 102684, 106640, 123380, 127968, 128355, 136912, 148056, 159960, 171140, 185070, 191040, 197408, 205368, 213280, 246760, 255936, 256710, 265267, 273824, 296112, 319920, 342280, 370140, 394816, 410736, 426560, 493520, 513420, 530534, 547648, 592224, 639840, 684560, 740280, 795801, 821472, 987040, 1026840, 1061068, 1184448, 1279680, 1326335, 1369120, 1480560, 1591602, 1642944, 1974080, 2053680, 2122136, 2652670, 2738240, 2961120, 3183204, 3979005, 4107360, 4244272, 5305340, 5922240, 6366408, 7958010, 8214720, 8488544, 10610680, 12732816, 15916020, 16977088, 21221360, 25465632, 31832040, 42442720, 50931264, 63664080, 84885440, 127328160, 254656320]

約数ペア:

[(1, 254656320), (2, 127328160), (3, 84885440), (4, 63664080), (5, 50931264), (6, 42442720), (8, 31832040), (10, 25465632), (12, 21221360), (15, 16977088), (16, 15916020), (20, 12732816), (24, 10610680), (30, 8488544), (31, 8214720), (32, 7958010), (40, 6366408), (43, 5922240), (48, 5305340), (60, 4244272), (62, 4107360), (64, 3979005), (80, 3183204), (86, 2961120), (93, 2738240), (96, 2652670), (120, 2122136), (124, 2053680), (129, 1974080), (155, 1642944), (160, 1591602), (172, 1480560), (186, 1369120), (192, 1326335), (199, 1279680), (215, 1184448), (240, 1061068), (248, 1026840), (258, 987040), (310, 821472), (320, 795801), (344, 740280), (372, 684560), (398, 639840), (430, 592224), (465, 547648), (480, 530534), (496, 513420), (516, 493520), (597, 426560), (620, 410736), (645, 394816), (688, 370140), (744, 342280), (796, 319920), (860, 296112), (930, 273824), (960, 265267), (992, 256710), (995, 255936), (1032, 246760), (1194, 213280), (1240, 205368), (1290, 197408), (1333, 191040), (1376, 185070), (1488, 171140), (1592, 159960), (1720, 148056), (1860, 136912), (1984, 128355), (1990, 127968), (2064, 123380), (2388, 106640), (2480, 102684), (2580, 98704), (2666, 95520), (2752, 92535), (2976, 85570), (2985, 85312), (3184, 79980), (3440, 74028), (3720, 68456), (3980, 63984), (3999, 63680), (4128, 61690), (4776, 53320), (4960, 51342), (5160, 49352), (5332, 47760), (5952, 42785), (5970, 42656), (6169, 41280), (6368, 39990), (6665, 38208), (6880, 37014), (7440, 34228), (7960, 31992), (7998, 31840), (8256, 30845), (8557, 29760), (9552, 26660), (9920, 25671), (10320, 24676), (10664, 23880), (11940, 21328), (12338, 20640), (12736, 19995), (13330, 19104), (13760, 18507), (14880, 17114), (15920, 15996)]