261944280

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 224

約数和(自身を含む): 953008560

約数和(自身を除く): 691064280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 648, 691, 702, 729, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1382, 1404, 1458, 1560, 1620, 1755, 1944, 2073, 2106, 2340, 2430, 2764, 2808, 2916, 3159, 3240, 3455, 3510, 3645, 4146, 4212, 4680, 4860, 5265, 5528, 5832, 6219, 6318, 6910, 7020, 7290, 8292, 8424, 8983, 9477, 9720, 10365, 10530, 12438, 12636, 13820, 14040, 14580, 15795, 16584, 17966, 18657, 18954, 20730, 21060, 24876, 25272, 26949, 27640, 29160, 31095, 31590, 35932, 37314, 37908, 41460, 42120, 44915, 47385, 49752, 53898, 55971, 62190, 63180, 71864, 74628, 75816, 80847, 82920, 89830, 93285, 94770, 107796, 111942, 124380, 126360, 134745, 149256, 161694, 167913, 179660, 186570, 189540, 215592, 223884, 242541, 248760, 269490, 279855, 323388, 335826, 359320, 373140, 379080, 404235, 447768, 485082, 503739, 538980, 559710, 646776, 671652, 727623, 746280, 808470, 839565, 970164, 1007478, 1077960, 1119420, 1212705, 1343304, 1455246, 1616940, 1679130, 1940328, 2014956, 2182869, 2238840, 2425410, 2518695, 2910492, 3233880, 3358260, 3638115, 4029912, 4365738, 4850820, 5037390, 5820984, 6548607, 6716520, 7276230, 8731476, 9701640, 10074780, 10914345, 13097214, 14552460, 17462952, 20149560, 21828690, 26194428, 29104920, 32743035, 43657380, 52388856, 65486070, 87314760, 130972140, 261944280]

約数ペア:

[(1, 261944280), (2, 130972140), (3, 87314760), (4, 65486070), (5, 52388856), (6, 43657380), (8, 32743035), (9, 29104920), (10, 26194428), (12, 21828690), (13, 20149560), (15, 17462952), (18, 14552460), (20, 13097214), (24, 10914345), (26, 10074780), (27, 9701640), (30, 8731476), (36, 7276230), (39, 6716520), (40, 6548607), (45, 5820984), (52, 5037390), (54, 4850820), (60, 4365738), (65, 4029912), (72, 3638115), (78, 3358260), (81, 3233880), (90, 2910492), (104, 2518695), (108, 2425410), (117, 2238840), (120, 2182869), (130, 2014956), (135, 1940328), (156, 1679130), (162, 1616940), (180, 1455246), (195, 1343304), (216, 1212705), (234, 1119420), (243, 1077960), (260, 1007478), (270, 970164), (312, 839565), (324, 808470), (351, 746280), (360, 727623), (390, 671652), (405, 646776), (468, 559710), (486, 538980), (520, 503739), (540, 485082), (585, 447768), (648, 404235), (691, 379080), (702, 373140), (729, 359320), (780, 335826), (810, 323388), (936, 279855), (972, 269490), (1053, 248760), (1080, 242541), (1170, 223884), (1215, 215592), (1382, 189540), (1404, 186570), (1458, 179660), (1560, 167913), (1620, 161694), (1755, 149256), (1944, 134745), (2073, 126360), (2106, 124380), (2340, 111942), (2430, 107796), (2764, 94770), (2808, 93285), (2916, 89830), (3159, 82920), (3240, 80847), (3455, 75816), (3510, 74628), (3645, 71864), (4146, 63180), (4212, 62190), (4680, 55971), (4860, 53898), (5265, 49752), (5528, 47385), (5832, 44915), (6219, 42120), (6318, 41460), (6910, 37908), (7020, 37314), (7290, 35932), (8292, 31590), (8424, 31095), (8983, 29160), (9477, 27640), (9720, 26949), (10365, 25272), (10530, 24876), (12438, 21060), (12636, 20730), (13820, 18954), (14040, 18657), (14580, 17966), (15795, 16584)]