391927680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 256

約数和(自身を含む): 1427918400

約数和(自身を除く): 1035990720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 540, 555, 576, 592, 613, 640, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1226, 1332, 1440, 1480, 1665, 1728, 1776, 1839, 1920, 1998, 2160, 2220, 2368, 2452, 2664, 2880, 2960, 3065, 3330, 3456, 3552, 3678, 3996, 4320, 4440, 4736, 4904, 4995, 5328, 5517, 5760, 5920, 6130, 6660, 7104, 7356, 7992, 8640, 8880, 9195, 9808, 9990, 10656, 11034, 11840, 12260, 13320, 14208, 14712, 15984, 16551, 17280, 17760, 18390, 19616, 19980, 21312, 22068, 22681, 23680, 24520, 26640, 27585, 29424, 31968, 33102, 35520, 36780, 39232, 39960, 42624, 44136, 45362, 49040, 53280, 55170, 58848, 63936, 66204, 68043, 71040, 73560, 78464, 79920, 82755, 88272, 90724, 98080, 106560, 110340, 113405, 117696, 127872, 132408, 136086, 147120, 159840, 165510, 176544, 181448, 196160, 204129, 213120, 220680, 226810, 235392, 264816, 272172, 294240, 319680, 331020, 340215, 353088, 362896, 392320, 408258, 441360, 453620, 529632, 544344, 588480, 612387, 639360, 662040, 680430, 706176, 725792, 816516, 882720, 907240, 1020645, 1059264, 1088688, 1176960, 1224774, 1324080, 1360860, 1451584, 1633032, 1765440, 1814480, 2041290, 2118528, 2177376, 2449548, 2648160, 2721720, 2903168, 3061935, 3266064, 3530880, 3628960, 4082580, 4354752, 4899096, 5296320, 5443440, 6123870, 6532128, 7257920, 8165160, 8709504, 9798192, 10592640, 10886880, 12247740, 13064256, 14515840, 16330320, 19596384, 21773760, 24495480, 26128512, 32660640, 39192768, 43547520, 48990960, 65321280, 78385536, 97981920, 130642560, 195963840, 391927680]

約数ペア:

[(1, 391927680), (2, 195963840), (3, 130642560), (4, 97981920), (5, 78385536), (6, 65321280), (8, 48990960), (9, 43547520), (10, 39192768), (12, 32660640), (15, 26128512), (16, 24495480), (18, 21773760), (20, 19596384), (24, 16330320), (27, 14515840), (30, 13064256), (32, 12247740), (36, 10886880), (37, 10592640), (40, 9798192), (45, 8709504), (48, 8165160), (54, 7257920), (60, 6532128), (64, 6123870), (72, 5443440), (74, 5296320), (80, 4899096), (90, 4354752), (96, 4082580), (108, 3628960), (111, 3530880), (120, 3266064), (128, 3061935), (135, 2903168), (144, 2721720), (148, 2648160), (160, 2449548), (180, 2177376), (185, 2118528), (192, 2041290), (216, 1814480), (222, 1765440), (240, 1633032), (270, 1451584), (288, 1360860), (296, 1324080), (320, 1224774), (333, 1176960), (360, 1088688), (370, 1059264), (384, 1020645), (432, 907240), (444, 882720), (480, 816516), (540, 725792), (555, 706176), (576, 680430), (592, 662040), (613, 639360), (640, 612387), (666, 588480), (720, 544344), (740, 529632), (864, 453620), (888, 441360), (960, 408258), (999, 392320), (1080, 362896), (1110, 353088), (1152, 340215), (1184, 331020), (1226, 319680), (1332, 294240), (1440, 272172), (1480, 264816), (1665, 235392), (1728, 226810), (1776, 220680), (1839, 213120), (1920, 204129), (1998, 196160), (2160, 181448), (2220, 176544), (2368, 165510), (2452, 159840), (2664, 147120), (2880, 136086), (2960, 132408), (3065, 127872), (3330, 117696), (3456, 113405), (3552, 110340), (3678, 106560), (3996, 98080), (4320, 90724), (4440, 88272), (4736, 82755), (4904, 79920), (4995, 78464), (5328, 73560), (5517, 71040), (5760, 68043), (5920, 66204), (6130, 63936), (6660, 58848), (7104, 55170), (7356, 53280), (7992, 49040), (8640, 45362), (8880, 44136), (9195, 42624), (9808, 39960), (9990, 39232), (10656, 36780), (11034, 35520), (11840, 33102), (12260, 31968), (13320, 29424), (14208, 27585), (14712, 26640), (15984, 24520), (16551, 23680), (17280, 22681), (17760, 22068), (18390, 21312), (19616, 19980)]