321368320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 988968960

約数和(自身を除く): 667600640

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, 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, 2759, 2821, 2848, 2912, 3115, 3224, 3328, 3472, 3560, 3640, 3968, 4030, 4160, 4340, 4480, 4628, 4960, 4984, 5518, 5642, 5696, 5785, 5824, 6230, 6448, 6944, 7120, 7280, 7936, 8060, 8099, 8320, 8680, 8960, 9256, 9920, 9968, 11036, 11284, 11392, 11570, 11648, 12460, 12896, 13795, 13888, 14105, 14240, 14560, 16120, 16198, 16640, 17360, 18512, 19313, 19840, 19936, 22072, 22568, 22784, 23140, 23296, 24920, 25792, 27590, 27776, 28210, 28480, 29120, 32240, 32396, 34720, 35867, 37024, 38626, 39680, 39872, 40495, 44144, 45136, 46280, 49840, 51584, 55180, 55552, 56420, 56960, 58240, 64480, 64792, 69440, 71734, 74048, 77252, 79744, 80990, 88288, 90272, 92560, 96565, 99680, 103168, 110360, 112840, 113920, 116480, 128960, 129584, 138880, 143468, 148096, 154504, 159488, 161980, 176576, 179335, 180544, 185120, 193130, 199360, 220720, 225680, 251069, 257920, 259168, 277760, 286936, 296192, 309008, 323960, 353152, 358670, 361088, 370240, 386260, 398720, 441440, 451360, 502138, 515840, 518336, 573872, 618016, 647920, 706304, 717340, 722176, 740480, 772520, 797440, 882880, 902720, 1004276, 1036672, 1147744, 1236032, 1255345, 1295840, 1434680, 1480960, 1545040, 1765760, 1805440, 2008552, 2073344, 2295488, 2472064, 2510690, 2591680, 2869360, 3090080, 3531520, 3610880, 4017104, 4590976, 4944128, 5021380, 5183360, 5738720, 6180160, 8034208, 9181952, 10042760, 10366720, 11477440, 12360320, 16068416, 20085520, 22954880, 24720640, 32136832, 40171040, 45909760, 64273664, 80342080, 160684160, 321368320]

約数ペア:

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