1820615680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 176

約数和(自身を含む): 4983053040

約数和(自身を除く): 3162437360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 512, 520, 544, 640, 680, 832, 884, 1024, 1040, 1088, 1105, 1280, 1360, 1609, 1664, 1768, 2080, 2176, 2210, 2560, 2720, 3218, 3328, 3536, 4160, 4352, 4420, 5120, 5440, 6436, 6656, 7072, 8045, 8320, 8704, 8840, 10880, 12872, 13312, 14144, 16090, 16640, 17408, 17680, 20917, 21760, 25744, 27353, 28288, 32180, 33280, 35360, 41834, 43520, 51488, 54706, 56576, 64360, 66560, 70720, 83668, 87040, 102976, 104585, 109412, 113152, 128720, 136765, 141440, 167336, 205952, 209170, 218824, 226304, 257440, 273530, 282880, 334672, 355589, 411904, 418340, 437648, 514880, 547060, 565760, 669344, 711178, 823808, 836680, 875296, 1029760, 1094120, 1131520, 1338688, 1422356, 1647616, 1673360, 1750592, 1777945, 2059520, 2188240, 2677376, 2844712, 3346720, 3501184, 3555890, 4119040, 4376480, 5354752, 5689424, 6693440, 7002368, 7111780, 8238080, 8752960, 10709504, 11378848, 13386880, 14004736, 14223560, 17505920, 21419008, 22757696, 26773760, 28009472, 28447120, 35011840, 45515392, 53547520, 56894240, 70023680, 91030784, 107095040, 113788480, 140047360, 182061568, 227576960, 364123136, 455153920, 910307840, 1820615680]

約数ペア:

[(1, 1820615680), (2, 910307840), (4, 455153920), (5, 364123136), (8, 227576960), (10, 182061568), (13, 140047360), (16, 113788480), (17, 107095040), (20, 91030784), (26, 70023680), (32, 56894240), (34, 53547520), (40, 45515392), (52, 35011840), (64, 28447120), (65, 28009472), (68, 26773760), (80, 22757696), (85, 21419008), (104, 17505920), (128, 14223560), (130, 14004736), (136, 13386880), (160, 11378848), (170, 10709504), (208, 8752960), (221, 8238080), (256, 7111780), (260, 7002368), (272, 6693440), (320, 5689424), (340, 5354752), (416, 4376480), (442, 4119040), (512, 3555890), (520, 3501184), (544, 3346720), (640, 2844712), (680, 2677376), (832, 2188240), (884, 2059520), (1024, 1777945), (1040, 1750592), (1088, 1673360), (1105, 1647616), (1280, 1422356), (1360, 1338688), (1609, 1131520), (1664, 1094120), (1768, 1029760), (2080, 875296), (2176, 836680), (2210, 823808), (2560, 711178), (2720, 669344), (3218, 565760), (3328, 547060), (3536, 514880), (4160, 437648), (4352, 418340), (4420, 411904), (5120, 355589), (5440, 334672), (6436, 282880), (6656, 273530), (7072, 257440), (8045, 226304), (8320, 218824), (8704, 209170), (8840, 205952), (10880, 167336), (12872, 141440), (13312, 136765), (14144, 128720), (16090, 113152), (16640, 109412), (17408, 104585), (17680, 102976), (20917, 87040), (21760, 83668), (25744, 70720), (27353, 66560), (28288, 64360), (32180, 56576), (33280, 54706), (35360, 51488), (41834, 43520)]