254621640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3372

約数の個数: 192

約数和(自身を含む): 957216960

約数和(自身を除く): 702595320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3331, 3640, 3822, 5096, 5460, 5880, 6370, 6662, 7644, 9555, 9993, 10920, 12740, 13324, 15288, 16655, 19110, 19986, 23317, 25480, 26648, 33310, 38220, 39972, 43303, 46634, 49965, 66620, 69951, 76440, 79944, 86606, 93268, 99930, 116585, 129909, 133240, 139902, 163219, 173212, 186536, 199860, 216515, 233170, 259818, 279804, 303121, 326438, 346424, 349755, 399720, 433030, 466340, 489657, 519636, 559608, 606242, 649545, 652876, 699510, 816095, 866060, 909363, 932680, 979314, 1039272, 1212484, 1299090, 1305752, 1399020, 1515605, 1632190, 1732120, 1818726, 1958628, 2121847, 2424968, 2448285, 2598180, 2798040, 3031210, 3264380, 3637452, 3917256, 4243694, 4546815, 4896570, 5196360, 6062420, 6365541, 6528760, 7274904, 8487388, 9093630, 9793140, 10609235, 12124840, 12731082, 16974776, 18187260, 19586280, 21218470, 25462164, 31827705, 36374520, 42436940, 50924328, 63655410, 84873880, 127310820, 254621640]

約数ペア:

[(1, 254621640), (2, 127310820), (3, 84873880), (4, 63655410), (5, 50924328), (6, 42436940), (7, 36374520), (8, 31827705), (10, 25462164), (12, 21218470), (13, 19586280), (14, 18187260), (15, 16974776), (20, 12731082), (21, 12124840), (24, 10609235), (26, 9793140), (28, 9093630), (30, 8487388), (35, 7274904), (39, 6528760), (40, 6365541), (42, 6062420), (49, 5196360), (52, 4896570), (56, 4546815), (60, 4243694), (65, 3917256), (70, 3637452), (78, 3264380), (84, 3031210), (91, 2798040), (98, 2598180), (104, 2448285), (105, 2424968), (120, 2121847), (130, 1958628), (140, 1818726), (147, 1732120), (156, 1632190), (168, 1515605), (182, 1399020), (195, 1305752), (196, 1299090), (210, 1212484), (245, 1039272), (260, 979314), (273, 932680), (280, 909363), (294, 866060), (312, 816095), (364, 699510), (390, 652876), (392, 649545), (420, 606242), (455, 559608), (490, 519636), (520, 489657), (546, 466340), (588, 433030), (637, 399720), (728, 349755), (735, 346424), (780, 326438), (840, 303121), (910, 279804), (980, 259818), (1092, 233170), (1176, 216515), (1274, 199860), (1365, 186536), (1470, 173212), (1560, 163219), (1820, 139902), (1911, 133240), (1960, 129909), (2184, 116585), (2548, 99930), (2730, 93268), (2940, 86606), (3185, 79944), (3331, 76440), (3640, 69951), (3822, 66620), (5096, 49965), (5460, 46634), (5880, 43303), (6370, 39972), (6662, 38220), (7644, 33310), (9555, 26648), (9993, 25480), (10920, 23317), (12740, 19986), (13324, 19110), (15288, 16655)]