642736640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 320

約数和(自身を含む): 1979873280

約数和(自身を除く): 1337136640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 89, 91, 104, 112, 124, 128, 130, 140, 155, 160, 178, 182, 208, 217, 224, 248, 256, 260, 280, 310, 320, 356, 364, 403, 416, 434, 445, 448, 455, 496, 512, 520, 560, 620, 623, 640, 712, 728, 806, 832, 868, 890, 896, 910, 992, 1040, 1085, 1120, 1157, 1240, 1246, 1280, 1424, 1456, 1612, 1664, 1736, 1780, 1792, 1820, 1984, 2015, 2080, 2170, 2240, 2314, 2480, 2492, 2560, 2759, 2821, 2848, 2912, 3115, 3224, 3328, 3472, 3560, 3584, 3640, 3968, 4030, 4160, 4340, 4480, 4628, 4960, 4984, 5518, 5642, 5696, 5785, 5824, 6230, 6448, 6656, 6944, 7120, 7280, 7936, 8060, 8099, 8320, 8680, 8960, 9256, 9920, 9968, 11036, 11284, 11392, 11570, 11648, 12460, 12896, 13795, 13888, 14105, 14240, 14560, 15872, 16120, 16198, 16640, 17360, 17920, 18512, 19313, 19840, 19936, 22072, 22568, 22784, 23140, 23296, 24920, 25792, 27590, 27776, 28210, 28480, 29120, 32240, 32396, 33280, 34720, 35867, 37024, 38626, 39680, 39872, 40495, 44144, 45136, 45568, 46280, 46592, 49840, 51584, 55180, 55552, 56420, 56960, 58240, 64480, 64792, 69440, 71734, 74048, 77252, 79360, 79744, 80990, 88288, 90272, 92560, 96565, 99680, 103168, 110360, 111104, 112840, 113920, 116480, 128960, 129584, 138880, 143468, 148096, 154504, 159488, 161980, 176576, 179335, 180544, 185120, 193130, 199360, 206336, 220720, 225680, 227840, 232960, 251069, 257920, 259168, 277760, 286936, 296192, 309008, 318976, 323960, 353152, 358670, 361088, 370240, 386260, 398720, 441440, 451360, 502138, 515840, 518336, 555520, 573872, 592384, 618016, 647920, 706304, 717340, 722176, 740480, 772520, 797440, 882880, 902720, 1004276, 1031680, 1036672, 1147744, 1236032, 1255345, 1295840, 1412608, 1434680, 1444352, 1480960, 1545040, 1594880, 1765760, 1805440, 2008552, 2073344, 2295488, 2472064, 2510690, 2591680, 2869360, 2961920, 3090080, 3531520, 3610880, 4017104, 4146688, 4590976, 4944128, 5021380, 5183360, 5738720, 6180160, 7063040, 7221760, 8034208, 9181952, 9888256, 10042760, 10366720, 11477440, 12360320, 16068416, 18363904, 20085520, 20733440, 22954880, 24720640, 32136832, 40171040, 45909760, 49441280, 64273664, 80342080, 91819520, 128547328, 160684160, 321368320, 642736640]

約数ペア:

[(1, 642736640), (2, 321368320), (4, 160684160), (5, 128547328), (7, 91819520), (8, 80342080), (10, 64273664), (13, 49441280), (14, 45909760), (16, 40171040), (20, 32136832), (26, 24720640), (28, 22954880), (31, 20733440), (32, 20085520), (35, 18363904), (40, 16068416), (52, 12360320), (56, 11477440), (62, 10366720), (64, 10042760), (65, 9888256), (70, 9181952), (80, 8034208), (89, 7221760), (91, 7063040), (104, 6180160), (112, 5738720), (124, 5183360), (128, 5021380), (130, 4944128), (140, 4590976), (155, 4146688), (160, 4017104), (178, 3610880), (182, 3531520), (208, 3090080), (217, 2961920), (224, 2869360), (248, 2591680), (256, 2510690), (260, 2472064), (280, 2295488), (310, 2073344), (320, 2008552), (356, 1805440), (364, 1765760), (403, 1594880), (416, 1545040), (434, 1480960), (445, 1444352), (448, 1434680), (455, 1412608), (496, 1295840), (512, 1255345), (520, 1236032), (560, 1147744), (620, 1036672), (623, 1031680), (640, 1004276), (712, 902720), (728, 882880), (806, 797440), (832, 772520), (868, 740480), (890, 722176), (896, 717340), (910, 706304), (992, 647920), (1040, 618016), (1085, 592384), (1120, 573872), (1157, 555520), (1240, 518336), (1246, 515840), (1280, 502138), (1424, 451360), (1456, 441440), (1612, 398720), (1664, 386260), (1736, 370240), (1780, 361088), (1792, 358670), (1820, 353152), (1984, 323960), (2015, 318976), (2080, 309008), (2170, 296192), (2240, 286936), (2314, 277760), (2480, 259168), (2492, 257920), (2560, 251069), (2759, 232960), (2821, 227840), (2848, 225680), (2912, 220720), (3115, 206336), (3224, 199360), (3328, 193130), (3472, 185120), (3560, 180544), (3584, 179335), (3640, 176576), (3968, 161980), (4030, 159488), (4160, 154504), (4340, 148096), (4480, 143468), (4628, 138880), (4960, 129584), (4984, 128960), (5518, 116480), (5642, 113920), (5696, 112840), (5785, 111104), (5824, 110360), (6230, 103168), (6448, 99680), (6656, 96565), (6944, 92560), (7120, 90272), (7280, 88288), (7936, 80990), (8060, 79744), (8099, 79360), (8320, 77252), (8680, 74048), (8960, 71734), (9256, 69440), (9920, 64792), (9968, 64480), (11036, 58240), (11284, 56960), (11392, 56420), (11570, 55552), (11648, 55180), (12460, 51584), (12896, 49840), (13795, 46592), (13888, 46280), (14105, 45568), (14240, 45136), (14560, 44144), (15872, 40495), (16120, 39872), (16198, 39680), (16640, 38626), (17360, 37024), (17920, 35867), (18512, 34720), (19313, 33280), (19840, 32396), (19936, 32240), (22072, 29120), (22568, 28480), (22784, 28210), (23140, 27776), (23296, 27590), (24920, 25792)]