1388465280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4229}}^1$

素因数の和:4276

約数の個数: 256

約数和(自身を含む): 5177520000

約数和(自身を除く): 3789054720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 4104, 4229, 4320, 4560, 5130, 5472, 5760, 6080, 6840, 7296, 8208, 8458, 8640, 9120, 10260, 10944, 12160, 12687, 13680, 16416, 16916, 17280, 18240, 20520, 21145, 21888, 25374, 27360, 32832, 33832, 36480, 38061, 41040, 42290, 50748, 54720, 63435, 65664, 67664, 76122, 80351, 82080, 84580, 101496, 109440, 114183, 126870, 135328, 152244, 160702, 164160, 169160, 190305, 202992, 228366, 241053, 253740, 270656, 304488, 321404, 328320, 338320, 380610, 401755, 405984, 456732, 482106, 507480, 541312, 570915, 608976, 642808, 676640, 723159, 761220, 803510, 811968, 913464, 964212, 1014960, 1141830, 1205265, 1217952, 1285616, 1353280, 1446318, 1522440, 1607020, 1623936, 1826928, 1928424, 2029920, 2169477, 2283660, 2410530, 2435904, 2571232, 2706560, 2892636, 3044880, 3214040, 3615795, 3653856, 3856848, 4059840, 4338954, 4567320, 4821060, 4871808, 5142464, 5785272, 6089760, 6428080, 7231590, 7307712, 7713696, 8119680, 8677908, 9134640, 9642120, 10284928, 10847385, 11570544, 12179520, 12856160, 14463180, 14615424, 15427392, 17355816, 18269280, 19284240, 21694770, 23141088, 24359040, 25712320, 28926360, 30854784, 34711632, 36538560, 38568480, 43389540, 46282176, 51424640, 57852720, 69423264, 73077120, 77136960, 86779080, 92564352, 115705440, 138846528, 154273920, 173558160, 231410880, 277693056, 347116320, 462821760, 694232640, 1388465280]

約数ペア:

[(1, 1388465280), (2, 694232640), (3, 462821760), (4, 347116320), (5, 277693056), (6, 231410880), (8, 173558160), (9, 154273920), (10, 138846528), (12, 115705440), (15, 92564352), (16, 86779080), (18, 77136960), (19, 73077120), (20, 69423264), (24, 57852720), (27, 51424640), (30, 46282176), (32, 43389540), (36, 38568480), (38, 36538560), (40, 34711632), (45, 30854784), (48, 28926360), (54, 25712320), (57, 24359040), (60, 23141088), (64, 21694770), (72, 19284240), (76, 18269280), (80, 17355816), (90, 15427392), (95, 14615424), (96, 14463180), (108, 12856160), (114, 12179520), (120, 11570544), (128, 10847385), (135, 10284928), (144, 9642120), (152, 9134640), (160, 8677908), (171, 8119680), (180, 7713696), (190, 7307712), (192, 7231590), (216, 6428080), (228, 6089760), (240, 5785272), (270, 5142464), (285, 4871808), (288, 4821060), (304, 4567320), (320, 4338954), (342, 4059840), (360, 3856848), (380, 3653856), (384, 3615795), (432, 3214040), (456, 3044880), (480, 2892636), (513, 2706560), (540, 2571232), (570, 2435904), (576, 2410530), (608, 2283660), (640, 2169477), (684, 2029920), (720, 1928424), (760, 1826928), (855, 1623936), (864, 1607020), (912, 1522440), (960, 1446318), (1026, 1353280), (1080, 1285616), (1140, 1217952), (1152, 1205265), (1216, 1141830), (1368, 1014960), (1440, 964212), (1520, 913464), (1710, 811968), (1728, 803510), (1824, 761220), (1920, 723159), (2052, 676640), (2160, 642808), (2280, 608976), (2432, 570915), (2565, 541312), (2736, 507480), (2880, 482106), (3040, 456732), (3420, 405984), (3456, 401755), (3648, 380610), (4104, 338320), (4229, 328320), (4320, 321404), (4560, 304488), (5130, 270656), (5472, 253740), (5760, 241053), (6080, 228366), (6840, 202992), (7296, 190305), (8208, 169160), (8458, 164160), (8640, 160702), (9120, 152244), (10260, 135328), (10944, 126870), (12160, 114183), (12687, 109440), (13680, 101496), (16416, 84580), (16916, 82080), (17280, 80351), (18240, 76122), (20520, 67664), (21145, 65664), (21888, 63435), (25374, 54720), (27360, 50748), (32832, 42290), (33832, 41040), (36480, 38061)]