254518680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 256

約数和(自身を含む): 896716800

約数和(自身を除く): 642198120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 31, 38, 39, 40, 52, 57, 60, 62, 65, 76, 78, 93, 95, 104, 114, 120, 124, 130, 152, 155, 156, 186, 190, 195, 228, 247, 248, 260, 277, 285, 310, 312, 372, 380, 390, 403, 456, 465, 494, 520, 554, 570, 589, 620, 741, 744, 760, 780, 806, 831, 930, 988, 1108, 1140, 1178, 1209, 1235, 1240, 1385, 1482, 1560, 1612, 1662, 1767, 1860, 1976, 2015, 2216, 2280, 2356, 2418, 2470, 2770, 2945, 2964, 3224, 3324, 3534, 3601, 3705, 3720, 4030, 4155, 4712, 4836, 4940, 5263, 5540, 5890, 5928, 6045, 6648, 7068, 7202, 7410, 7657, 8060, 8310, 8587, 8835, 9672, 9880, 10526, 10803, 11080, 11780, 12090, 14136, 14404, 14820, 15314, 15789, 16120, 16620, 17174, 17670, 18005, 21052, 21606, 22971, 23560, 24180, 25761, 26315, 28808, 29640, 30628, 31578, 33240, 34348, 35340, 36010, 38285, 42104, 42935, 43212, 45942, 48360, 51522, 52630, 54015, 61256, 63156, 68419, 68696, 70680, 72020, 76570, 78945, 85870, 86424, 91884, 103044, 105260, 108030, 111631, 114855, 126312, 128805, 136838, 144040, 153140, 157890, 163153, 171740, 183768, 205257, 206088, 210520, 216060, 223262, 229710, 257610, 273676, 306280, 315780, 326306, 334893, 342095, 343480, 410514, 432120, 446524, 459420, 489459, 515220, 547352, 558155, 631560, 652612, 669786, 684190, 815765, 821028, 893048, 918840, 978918, 1026285, 1030440, 1116310, 1305224, 1339572, 1368380, 1631530, 1642056, 1674465, 1957836, 2052570, 2120989, 2232620, 2447295, 2679144, 2736760, 3263060, 3348930, 3915672, 4105140, 4241978, 4465240, 4894590, 6362967, 6526120, 6697860, 8210280, 8483956, 9789180, 10604945, 12725934, 13395720, 16967912, 19578360, 21209890, 25451868, 31814835, 42419780, 50903736, 63629670, 84839560, 127259340, 254518680]

約数ペア:

[(1, 254518680), (2, 127259340), (3, 84839560), (4, 63629670), (5, 50903736), (6, 42419780), (8, 31814835), (10, 25451868), (12, 21209890), (13, 19578360), (15, 16967912), (19, 13395720), (20, 12725934), (24, 10604945), (26, 9789180), (30, 8483956), (31, 8210280), (38, 6697860), (39, 6526120), (40, 6362967), (52, 4894590), (57, 4465240), (60, 4241978), (62, 4105140), (65, 3915672), (76, 3348930), (78, 3263060), (93, 2736760), (95, 2679144), (104, 2447295), (114, 2232620), (120, 2120989), (124, 2052570), (130, 1957836), (152, 1674465), (155, 1642056), (156, 1631530), (186, 1368380), (190, 1339572), (195, 1305224), (228, 1116310), (247, 1030440), (248, 1026285), (260, 978918), (277, 918840), (285, 893048), (310, 821028), (312, 815765), (372, 684190), (380, 669786), (390, 652612), (403, 631560), (456, 558155), (465, 547352), (494, 515220), (520, 489459), (554, 459420), (570, 446524), (589, 432120), (620, 410514), (741, 343480), (744, 342095), (760, 334893), (780, 326306), (806, 315780), (831, 306280), (930, 273676), (988, 257610), (1108, 229710), (1140, 223262), (1178, 216060), (1209, 210520), (1235, 206088), (1240, 205257), (1385, 183768), (1482, 171740), (1560, 163153), (1612, 157890), (1662, 153140), (1767, 144040), (1860, 136838), (1976, 128805), (2015, 126312), (2216, 114855), (2280, 111631), (2356, 108030), (2418, 105260), (2470, 103044), (2770, 91884), (2945, 86424), (2964, 85870), (3224, 78945), (3324, 76570), (3534, 72020), (3601, 70680), (3705, 68696), (3720, 68419), (4030, 63156), (4155, 61256), (4712, 54015), (4836, 52630), (4940, 51522), (5263, 48360), (5540, 45942), (5890, 43212), (5928, 42935), (6045, 42104), (6648, 38285), (7068, 36010), (7202, 35340), (7410, 34348), (7657, 33240), (8060, 31578), (8310, 30628), (8587, 29640), (8835, 28808), (9672, 26315), (9880, 25761), (10526, 24180), (10803, 23560), (11080, 22971), (11780, 21606), (12090, 21052), (14136, 18005), (14404, 17670), (14820, 17174), (15314, 16620), (15789, 16120)]