279894780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 216

約数和(自身を含む): 951586272

約数和(自身を除く): 671691492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 121, 132, 142, 165, 180, 181, 198, 213, 220, 242, 284, 330, 355, 362, 363, 396, 426, 484, 495, 543, 605, 639, 660, 710, 724, 726, 781, 852, 905, 990, 1065, 1086, 1089, 1210, 1278, 1420, 1452, 1562, 1629, 1810, 1815, 1980, 1991, 2130, 2172, 2178, 2343, 2420, 2556, 2715, 3124, 3195, 3258, 3620, 3630, 3905, 3982, 4260, 4356, 4686, 5430, 5445, 5973, 6390, 6516, 7029, 7260, 7810, 7964, 8145, 8591, 9372, 9955, 10860, 10890, 11715, 11946, 12780, 12851, 14058, 15620, 16290, 17182, 17919, 19910, 21780, 21901, 23430, 23892, 25702, 25773, 28116, 29865, 32580, 34364, 35145, 35838, 38553, 39820, 42955, 43802, 46860, 51404, 51546, 59730, 64255, 65703, 70290, 71676, 77106, 77319, 85910, 87604, 89595, 103092, 109505, 115659, 119460, 128510, 128865, 131406, 140580, 141361, 154212, 154638, 171820, 179190, 192765, 197109, 219010, 231318, 257020, 257730, 262812, 282722, 309276, 328515, 358380, 385530, 386595, 394218, 424083, 438020, 462636, 515460, 565444, 578295, 657030, 706805, 771060, 773190, 788436, 848166, 985545, 1156590, 1272249, 1314060, 1413610, 1546380, 1554971, 1696332, 1971090, 2120415, 2313180, 2544498, 2827220, 3109942, 3942180, 4240830, 4664913, 5088996, 6219884, 6361245, 7774855, 8481660, 9329826, 12722490, 13994739, 15549710, 18659652, 23324565, 25444980, 27989478, 31099420, 46649130, 55978956, 69973695, 93298260, 139947390, 279894780]

約数ペア:

[(1, 279894780), (2, 139947390), (3, 93298260), (4, 69973695), (5, 55978956), (6, 46649130), (9, 31099420), (10, 27989478), (11, 25444980), (12, 23324565), (15, 18659652), (18, 15549710), (20, 13994739), (22, 12722490), (30, 9329826), (33, 8481660), (36, 7774855), (44, 6361245), (45, 6219884), (55, 5088996), (60, 4664913), (66, 4240830), (71, 3942180), (90, 3109942), (99, 2827220), (110, 2544498), (121, 2313180), (132, 2120415), (142, 1971090), (165, 1696332), (180, 1554971), (181, 1546380), (198, 1413610), (213, 1314060), (220, 1272249), (242, 1156590), (284, 985545), (330, 848166), (355, 788436), (362, 773190), (363, 771060), (396, 706805), (426, 657030), (484, 578295), (495, 565444), (543, 515460), (605, 462636), (639, 438020), (660, 424083), (710, 394218), (724, 386595), (726, 385530), (781, 358380), (852, 328515), (905, 309276), (990, 282722), (1065, 262812), (1086, 257730), (1089, 257020), (1210, 231318), (1278, 219010), (1420, 197109), (1452, 192765), (1562, 179190), (1629, 171820), (1810, 154638), (1815, 154212), (1980, 141361), (1991, 140580), (2130, 131406), (2172, 128865), (2178, 128510), (2343, 119460), (2420, 115659), (2556, 109505), (2715, 103092), (3124, 89595), (3195, 87604), (3258, 85910), (3620, 77319), (3630, 77106), (3905, 71676), (3982, 70290), (4260, 65703), (4356, 64255), (4686, 59730), (5430, 51546), (5445, 51404), (5973, 46860), (6390, 43802), (6516, 42955), (7029, 39820), (7260, 38553), (7810, 35838), (7964, 35145), (8145, 34364), (8591, 32580), (9372, 29865), (9955, 28116), (10860, 25773), (10890, 25702), (11715, 23892), (11946, 23430), (12780, 21901), (12851, 21780), (14058, 19910), (15620, 17919), (16290, 17182)]