666436680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6821

約数の個数: 256

約数和(自身を含む): 2734502400

約数和(自身を除く): 2068065720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 6781, 7020, 7560, 8190, 9828, 10920, 12285, 13562, 14040, 16380, 19656, 20343, 24570, 27124, 32760, 33905, 40686, 47467, 49140, 54248, 61029, 67810, 81372, 88153, 94934, 98280, 101715, 122058, 135620, 142401, 162744, 176306, 183087, 189868, 203430, 237335, 244116, 264459, 271240, 284802, 305145, 352612, 366174, 379736, 406860, 427203, 440765, 474670, 488232, 528918, 569604, 610290, 617071, 705224, 712005, 732348, 793377, 813720, 854406, 881530, 915435, 949340, 1057836, 1139208, 1220580, 1234142, 1281609, 1322295, 1424010, 1464696, 1586754, 1708812, 1763060, 1830870, 1851213, 1898680, 2115672, 2136015, 2380131, 2441160, 2468284, 2563218, 2644590, 2848020, 3085355, 3173508, 3417624, 3526120, 3661740, 3702426, 3966885, 4272030, 4760262, 4936568, 5126436, 5289180, 5553639, 5696040, 6170710, 6347016, 6408045, 7323480, 7404852, 7933770, 8544060, 9256065, 9520524, 10252872, 10578360, 11107278, 11900655, 12341420, 12816090, 14809704, 15867540, 16660917, 17088120, 18512130, 19041048, 22214556, 23801310, 24682840, 25632180, 27768195, 31735080, 33321834, 37024260, 44429112, 47602620, 51264360, 55536390, 66643668, 74048520, 83304585, 95205240, 111072780, 133287336, 166609170, 222145560, 333218340, 666436680]

約数ペア:

[(1, 666436680), (2, 333218340), (3, 222145560), (4, 166609170), (5, 133287336), (6, 111072780), (7, 95205240), (8, 83304585), (9, 74048520), (10, 66643668), (12, 55536390), (13, 51264360), (14, 47602620), (15, 44429112), (18, 37024260), (20, 33321834), (21, 31735080), (24, 27768195), (26, 25632180), (27, 24682840), (28, 23801310), (30, 22214556), (35, 19041048), (36, 18512130), (39, 17088120), (40, 16660917), (42, 15867540), (45, 14809704), (52, 12816090), (54, 12341420), (56, 11900655), (60, 11107278), (63, 10578360), (65, 10252872), (70, 9520524), (72, 9256065), (78, 8544060), (84, 7933770), (90, 7404852), (91, 7323480), (104, 6408045), (105, 6347016), (108, 6170710), (117, 5696040), (120, 5553639), (126, 5289180), (130, 5126436), (135, 4936568), (140, 4760262), (156, 4272030), (168, 3966885), (180, 3702426), (182, 3661740), (189, 3526120), (195, 3417624), (210, 3173508), (216, 3085355), (234, 2848020), (252, 2644590), (260, 2563218), (270, 2468284), (273, 2441160), (280, 2380131), (312, 2136015), (315, 2115672), (351, 1898680), (360, 1851213), (364, 1830870), (378, 1763060), (390, 1708812), (420, 1586754), (455, 1464696), (468, 1424010), (504, 1322295), (520, 1281609), (540, 1234142), (546, 1220580), (585, 1139208), (630, 1057836), (702, 949340), (728, 915435), (756, 881530), (780, 854406), (819, 813720), (840, 793377), (910, 732348), (936, 712005), (945, 705224), (1080, 617071), (1092, 610290), (1170, 569604), (1260, 528918), (1365, 488232), (1404, 474670), (1512, 440765), (1560, 427203), (1638, 406860), (1755, 379736), (1820, 366174), (1890, 352612), (2184, 305145), (2340, 284802), (2457, 271240), (2520, 264459), (2730, 244116), (2808, 237335), (3276, 203430), (3510, 189868), (3640, 183087), (3780, 176306), (4095, 162744), (4680, 142401), (4914, 135620), (5460, 122058), (6552, 101715), (6781, 98280), (7020, 94934), (7560, 88153), (8190, 81372), (9828, 67810), (10920, 61029), (12285, 54248), (13562, 49140), (14040, 47467), (16380, 40686), (19656, 33905), (20343, 32760), (24570, 27124)]