399200640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 256

約数和(自身を含む): 1386547200

約数和(自身を除く): 987346560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 228, 240, 248, 285, 304, 310, 320, 353, 372, 380, 384, 456, 465, 480, 496, 570, 589, 608, 620, 640, 706, 744, 760, 912, 930, 960, 992, 1059, 1140, 1178, 1216, 1240, 1412, 1488, 1520, 1765, 1767, 1824, 1860, 1920, 1984, 2118, 2280, 2356, 2432, 2480, 2824, 2945, 2976, 3040, 3530, 3534, 3648, 3720, 3968, 4236, 4560, 4712, 4960, 5295, 5648, 5890, 5952, 6080, 6707, 7060, 7068, 7296, 7440, 8472, 8835, 9120, 9424, 9920, 10590, 10943, 11296, 11780, 11904, 12160, 13414, 14120, 14136, 14880, 16944, 17670, 18240, 18848, 19840, 20121, 21180, 21886, 22592, 23560, 26828, 28240, 28272, 29760, 32829, 33535, 33888, 35340, 36480, 37696, 40242, 42360, 43772, 45184, 47120, 53656, 54715, 56480, 56544, 59520, 65658, 67070, 67776, 70680, 75392, 80484, 84720, 87544, 94240, 100605, 107312, 109430, 112960, 113088, 131316, 134140, 135552, 141360, 160968, 164145, 169440, 175088, 188480, 201210, 207917, 214624, 218860, 225920, 226176, 262632, 268280, 282720, 321936, 328290, 338880, 350176, 376960, 402420, 415834, 429248, 437720, 525264, 536560, 565440, 623751, 643872, 656580, 677760, 700352, 804840, 831668, 858496, 875440, 1039585, 1050528, 1073120, 1130880, 1247502, 1287744, 1313160, 1400704, 1609680, 1663336, 1750880, 2079170, 2101056, 2146240, 2495004, 2575488, 2626320, 3118755, 3219360, 3326672, 3501760, 4158340, 4202112, 4292480, 4990008, 5252640, 6237510, 6438720, 6653344, 7003520, 8316680, 9980016, 10505280, 12475020, 12877440, 13306688, 16633360, 19960032, 21010560, 24950040, 26613376, 33266720, 39920064, 49900080, 66533440, 79840128, 99800160, 133066880, 199600320, 399200640]

約数ペア:

[(1, 399200640), (2, 199600320), (3, 133066880), (4, 99800160), (5, 79840128), (6, 66533440), (8, 49900080), (10, 39920064), (12, 33266720), (15, 26613376), (16, 24950040), (19, 21010560), (20, 19960032), (24, 16633360), (30, 13306688), (31, 12877440), (32, 12475020), (38, 10505280), (40, 9980016), (48, 8316680), (57, 7003520), (60, 6653344), (62, 6438720), (64, 6237510), (76, 5252640), (80, 4990008), (93, 4292480), (95, 4202112), (96, 4158340), (114, 3501760), (120, 3326672), (124, 3219360), (128, 3118755), (152, 2626320), (155, 2575488), (160, 2495004), (186, 2146240), (190, 2101056), (192, 2079170), (228, 1750880), (240, 1663336), (248, 1609680), (285, 1400704), (304, 1313160), (310, 1287744), (320, 1247502), (353, 1130880), (372, 1073120), (380, 1050528), (384, 1039585), (456, 875440), (465, 858496), (480, 831668), (496, 804840), (570, 700352), (589, 677760), (608, 656580), (620, 643872), (640, 623751), (706, 565440), (744, 536560), (760, 525264), (912, 437720), (930, 429248), (960, 415834), (992, 402420), (1059, 376960), (1140, 350176), (1178, 338880), (1216, 328290), (1240, 321936), (1412, 282720), (1488, 268280), (1520, 262632), (1765, 226176), (1767, 225920), (1824, 218860), (1860, 214624), (1920, 207917), (1984, 201210), (2118, 188480), (2280, 175088), (2356, 169440), (2432, 164145), (2480, 160968), (2824, 141360), (2945, 135552), (2976, 134140), (3040, 131316), (3530, 113088), (3534, 112960), (3648, 109430), (3720, 107312), (3968, 100605), (4236, 94240), (4560, 87544), (4712, 84720), (4960, 80484), (5295, 75392), (5648, 70680), (5890, 67776), (5952, 67070), (6080, 65658), (6707, 59520), (7060, 56544), (7068, 56480), (7296, 54715), (7440, 53656), (8472, 47120), (8835, 45184), (9120, 43772), (9424, 42360), (9920, 40242), (10590, 37696), (10943, 36480), (11296, 35340), (11780, 33888), (11904, 33535), (12160, 32829), (13414, 29760), (14120, 28272), (14136, 28240), (14880, 26828), (16944, 23560), (17670, 22592), (18240, 21886), (18848, 21180), (19840, 20121)]