816945280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 2165990400

約数和(自身を除く): 1349045120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 127, 128, 152, 160, 184, 190, 230, 254, 304, 320, 368, 380, 437, 460, 508, 529, 608, 635, 640, 736, 760, 874, 920, 1016, 1058, 1216, 1270, 1472, 1520, 1748, 1840, 2032, 2116, 2185, 2413, 2432, 2540, 2645, 2921, 2944, 3040, 3496, 3680, 4064, 4232, 4370, 4826, 5080, 5290, 5842, 6080, 6992, 7360, 8128, 8464, 8740, 9652, 10051, 10160, 10580, 11684, 12065, 12160, 13984, 14605, 14720, 16256, 16928, 17480, 19304, 20102, 20320, 21160, 23368, 24130, 27968, 29210, 33856, 34960, 38608, 40204, 40640, 42320, 46736, 48260, 50255, 55499, 55936, 58420, 67183, 67712, 69920, 77216, 80408, 81280, 84640, 93472, 96520, 100510, 110998, 116840, 134366, 139840, 154432, 160816, 169280, 186944, 193040, 201020, 221996, 233680, 268732, 277495, 279680, 308864, 321632, 335915, 338560, 373888, 386080, 402040, 443992, 467360, 537464, 554990, 643264, 671830, 772160, 804080, 887984, 934720, 1074928, 1109980, 1276477, 1286528, 1343660, 1544320, 1608160, 1775968, 1869440, 2149856, 2219960, 2552954, 2687320, 3216320, 3551936, 4299712, 4439920, 5105908, 5374640, 6382385, 6432640, 7103872, 8599424, 8879840, 10211816, 10749280, 12764770, 17759680, 20423632, 21498560, 25529540, 35519360, 40847264, 42997120, 51059080, 81694528, 102118160, 163389056, 204236320, 408472640, 816945280]

約数ペア:

[(1, 816945280), (2, 408472640), (4, 204236320), (5, 163389056), (8, 102118160), (10, 81694528), (16, 51059080), (19, 42997120), (20, 40847264), (23, 35519360), (32, 25529540), (38, 21498560), (40, 20423632), (46, 17759680), (64, 12764770), (76, 10749280), (80, 10211816), (92, 8879840), (95, 8599424), (115, 7103872), (127, 6432640), (128, 6382385), (152, 5374640), (160, 5105908), (184, 4439920), (190, 4299712), (230, 3551936), (254, 3216320), (304, 2687320), (320, 2552954), (368, 2219960), (380, 2149856), (437, 1869440), (460, 1775968), (508, 1608160), (529, 1544320), (608, 1343660), (635, 1286528), (640, 1276477), (736, 1109980), (760, 1074928), (874, 934720), (920, 887984), (1016, 804080), (1058, 772160), (1216, 671830), (1270, 643264), (1472, 554990), (1520, 537464), (1748, 467360), (1840, 443992), (2032, 402040), (2116, 386080), (2185, 373888), (2413, 338560), (2432, 335915), (2540, 321632), (2645, 308864), (2921, 279680), (2944, 277495), (3040, 268732), (3496, 233680), (3680, 221996), (4064, 201020), (4232, 193040), (4370, 186944), (4826, 169280), (5080, 160816), (5290, 154432), (5842, 139840), (6080, 134366), (6992, 116840), (7360, 110998), (8128, 100510), (8464, 96520), (8740, 93472), (9652, 84640), (10051, 81280), (10160, 80408), (10580, 77216), (11684, 69920), (12065, 67712), (12160, 67183), (13984, 58420), (14605, 55936), (14720, 55499), (16256, 50255), (16928, 48260), (17480, 46736), (19304, 42320), (20102, 40640), (20320, 40204), (21160, 38608), (23368, 34960), (24130, 33856), (27968, 29210)]