289568520

素因数分解:

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

素因数の和:119

約数の個数: 192

約数和(自身を含む): 1008483840

約数和(自身を除く): 718915320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 744, 810, 837, 930, 961, 972, 1080, 1116, 1215, 1240, 1395, 1620, 1674, 1860, 1922, 1944, 2232, 2430, 2511, 2790, 2883, 3240, 3348, 3720, 3844, 4185, 4805, 4860, 5022, 5580, 5766, 6696, 7533, 7688, 8370, 8649, 9610, 9720, 10044, 11160, 11532, 12555, 14415, 15066, 16740, 17298, 19220, 20088, 23064, 25110, 25947, 28830, 29791, 30132, 33480, 34596, 37665, 38440, 43245, 50220, 51894, 57660, 59582, 60264, 69192, 75330, 77841, 86490, 89373, 100440, 103788, 115320, 119164, 129735, 148955, 150660, 155682, 172980, 178746, 207576, 233523, 238328, 259470, 268119, 297910, 301320, 311364, 345960, 357492, 389205, 446865, 467046, 518940, 536238, 595820, 622728, 714984, 778410, 804357, 893730, 934092, 1037880, 1072476, 1167615, 1191640, 1340595, 1556820, 1608714, 1787460, 1868184, 2144952, 2335230, 2413071, 2681190, 3113640, 3217428, 3574920, 4021785, 4670460, 4826142, 5362380, 6434856, 7239213, 8043570, 9340920, 9652284, 10724760, 12065355, 14478426, 16087140, 19304568, 24130710, 28956852, 32174280, 36196065, 48261420, 57913704, 72392130, 96522840, 144784260, 289568520]

約数ペア:

[(1, 289568520), (2, 144784260), (3, 96522840), (4, 72392130), (5, 57913704), (6, 48261420), (8, 36196065), (9, 32174280), (10, 28956852), (12, 24130710), (15, 19304568), (18, 16087140), (20, 14478426), (24, 12065355), (27, 10724760), (30, 9652284), (31, 9340920), (36, 8043570), (40, 7239213), (45, 6434856), (54, 5362380), (60, 4826142), (62, 4670460), (72, 4021785), (81, 3574920), (90, 3217428), (93, 3113640), (108, 2681190), (120, 2413071), (124, 2335230), (135, 2144952), (155, 1868184), (162, 1787460), (180, 1608714), (186, 1556820), (216, 1340595), (243, 1191640), (248, 1167615), (270, 1072476), (279, 1037880), (310, 934092), (324, 893730), (360, 804357), (372, 778410), (405, 714984), (465, 622728), (486, 595820), (540, 536238), (558, 518940), (620, 467046), (648, 446865), (744, 389205), (810, 357492), (837, 345960), (930, 311364), (961, 301320), (972, 297910), (1080, 268119), (1116, 259470), (1215, 238328), (1240, 233523), (1395, 207576), (1620, 178746), (1674, 172980), (1860, 155682), (1922, 150660), (1944, 148955), (2232, 129735), (2430, 119164), (2511, 115320), (2790, 103788), (2883, 100440), (3240, 89373), (3348, 86490), (3720, 77841), (3844, 75330), (4185, 69192), (4805, 60264), (4860, 59582), (5022, 57660), (5580, 51894), (5766, 50220), (6696, 43245), (7533, 38440), (7688, 37665), (8370, 34596), (8649, 33480), (9610, 30132), (9720, 29791), (10044, 28830), (11160, 25947), (11532, 25110), (12555, 23064), (14415, 20088), (15066, 19220), (16740, 17298)]