645628320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1665

約数の個数: 240

約数和(自身を含む): 2353494528

約数和(自身を除く): 1707866208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1607, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3214, 3240, 3348, 3720, 4185, 4320, 4464, 4821, 4960, 5022, 5580, 6428, 6480, 6696, 7440, 8035, 8370, 8928, 9642, 10044, 11160, 12555, 12856, 12960, 13392, 14463, 14880, 16070, 16740, 19284, 20088, 22320, 24105, 25110, 25712, 26784, 28926, 32140, 33480, 38568, 40176, 43389, 44640, 48210, 49817, 50220, 51424, 57852, 64280, 66960, 72315, 77136, 80352, 86778, 96420, 99634, 100440, 115704, 128560, 130167, 133920, 144630, 149451, 154272, 173556, 192840, 199268, 200880, 216945, 231408, 249085, 257120, 260334, 289260, 298902, 347112, 385680, 398536, 401760, 433890, 448353, 462816, 498170, 520668, 578520, 597804, 650835, 694224, 747255, 771360, 797072, 867780, 896706, 996340, 1041336, 1157040, 1195608, 1301670, 1345059, 1388448, 1494510, 1594144, 1735560, 1793412, 1992680, 2082672, 2241765, 2314080, 2391216, 2603340, 2690118, 2989020, 3471120, 3586824, 3985360, 4035177, 4165344, 4483530, 4782432, 5206680, 5380236, 5978040, 6725295, 6942240, 7173648, 7970720, 8070354, 8967060, 10413360, 10760472, 11956080, 13450590, 14347296, 16140708, 17934120, 20175885, 20826720, 21520944, 23912160, 26901180, 32281416, 35868240, 40351770, 43041888, 53802360, 64562832, 71736480, 80703540, 107604720, 129125664, 161407080, 215209440, 322814160, 645628320]

約数ペア:

[(1, 645628320), (2, 322814160), (3, 215209440), (4, 161407080), (5, 129125664), (6, 107604720), (8, 80703540), (9, 71736480), (10, 64562832), (12, 53802360), (15, 43041888), (16, 40351770), (18, 35868240), (20, 32281416), (24, 26901180), (27, 23912160), (30, 21520944), (31, 20826720), (32, 20175885), (36, 17934120), (40, 16140708), (45, 14347296), (48, 13450590), (54, 11956080), (60, 10760472), (62, 10413360), (72, 8967060), (80, 8070354), (81, 7970720), (90, 7173648), (93, 6942240), (96, 6725295), (108, 5978040), (120, 5380236), (124, 5206680), (135, 4782432), (144, 4483530), (155, 4165344), (160, 4035177), (162, 3985360), (180, 3586824), (186, 3471120), (216, 2989020), (240, 2690118), (248, 2603340), (270, 2391216), (279, 2314080), (288, 2241765), (310, 2082672), (324, 1992680), (360, 1793412), (372, 1735560), (405, 1594144), (432, 1494510), (465, 1388448), (480, 1345059), (496, 1301670), (540, 1195608), (558, 1157040), (620, 1041336), (648, 996340), (720, 896706), (744, 867780), (810, 797072), (837, 771360), (864, 747255), (930, 694224), (992, 650835), (1080, 597804), (1116, 578520), (1240, 520668), (1296, 498170), (1395, 462816), (1440, 448353), (1488, 433890), (1607, 401760), (1620, 398536), (1674, 385680), (1860, 347112), (2160, 298902), (2232, 289260), (2480, 260334), (2511, 257120), (2592, 249085), (2790, 231408), (2976, 216945), (3214, 200880), (3240, 199268), (3348, 192840), (3720, 173556), (4185, 154272), (4320, 149451), (4464, 144630), (4821, 133920), (4960, 130167), (5022, 128560), (5580, 115704), (6428, 100440), (6480, 99634), (6696, 96420), (7440, 86778), (8035, 80352), (8370, 77136), (8928, 72315), (9642, 66960), (10044, 64280), (11160, 57852), (12555, 51424), (12856, 50220), (12960, 49817), (13392, 48210), (14463, 44640), (14880, 43389), (16070, 40176), (16740, 38568), (19284, 33480), (20088, 32140), (22320, 28926), (24105, 26784), (25110, 25712)]