64690920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 256

約数和(自身を含む): 253440000

約数和(自身を除く): 188749080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 199, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 398, 420, 430, 504, 516, 540, 597, 602, 630, 645, 756, 774, 796, 840, 860, 903, 945, 995, 1032, 1080, 1161, 1194, 1204, 1260, 1290, 1393, 1505, 1512, 1548, 1592, 1720, 1791, 1806, 1890, 1935, 1990, 2322, 2388, 2408, 2520, 2580, 2709, 2786, 2985, 3010, 3096, 3582, 3612, 3780, 3870, 3980, 4179, 4515, 4644, 4776, 5160, 5373, 5418, 5572, 5805, 5970, 6020, 6965, 7164, 7224, 7560, 7740, 7960, 8127, 8358, 8557, 8955, 9030, 9288, 10746, 10836, 11144, 11610, 11940, 12040, 12537, 13545, 13930, 14328, 15480, 16254, 16716, 17114, 17910, 18060, 20895, 21492, 21672, 23220, 23880, 25074, 25671, 26865, 27090, 27860, 32508, 33432, 34228, 35820, 36120, 37611, 40635, 41790, 42785, 42984, 46440, 50148, 51342, 53730, 54180, 55720, 59899, 62685, 65016, 68456, 71640, 75222, 77013, 81270, 83580, 85570, 100296, 102684, 107460, 108360, 119798, 125370, 128355, 150444, 154026, 162540, 167160, 171140, 179697, 188055, 205368, 214920, 231039, 239596, 250740, 256710, 299495, 300888, 308052, 325080, 342280, 359394, 376110, 385065, 462078, 479192, 501480, 513420, 539091, 598990, 616104, 718788, 752220, 770130, 898485, 924156, 1026840, 1078182, 1155195, 1197980, 1437576, 1504440, 1540260, 1617273, 1796970, 1848312, 2156364, 2310390, 2395960, 2695455, 3080520, 3234546, 3593940, 4312728, 4620780, 5390910, 6469092, 7187880, 8086365, 9241560, 10781820, 12938184, 16172730, 21563640, 32345460, 64690920]

約数ペア:

[(1, 64690920), (2, 32345460), (3, 21563640), (4, 16172730), (5, 12938184), (6, 10781820), (7, 9241560), (8, 8086365), (9, 7187880), (10, 6469092), (12, 5390910), (14, 4620780), (15, 4312728), (18, 3593940), (20, 3234546), (21, 3080520), (24, 2695455), (27, 2395960), (28, 2310390), (30, 2156364), (35, 1848312), (36, 1796970), (40, 1617273), (42, 1540260), (43, 1504440), (45, 1437576), (54, 1197980), (56, 1155195), (60, 1078182), (63, 1026840), (70, 924156), (72, 898485), (84, 770130), (86, 752220), (90, 718788), (105, 616104), (108, 598990), (120, 539091), (126, 513420), (129, 501480), (135, 479192), (140, 462078), (168, 385065), (172, 376110), (180, 359394), (189, 342280), (199, 325080), (210, 308052), (215, 300888), (216, 299495), (252, 256710), (258, 250740), (270, 239596), (280, 231039), (301, 214920), (315, 205368), (344, 188055), (360, 179697), (378, 171140), (387, 167160), (398, 162540), (420, 154026), (430, 150444), (504, 128355), (516, 125370), (540, 119798), (597, 108360), (602, 107460), (630, 102684), (645, 100296), (756, 85570), (774, 83580), (796, 81270), (840, 77013), (860, 75222), (903, 71640), (945, 68456), (995, 65016), (1032, 62685), (1080, 59899), (1161, 55720), (1194, 54180), (1204, 53730), (1260, 51342), (1290, 50148), (1393, 46440), (1505, 42984), (1512, 42785), (1548, 41790), (1592, 40635), (1720, 37611), (1791, 36120), (1806, 35820), (1890, 34228), (1935, 33432), (1990, 32508), (2322, 27860), (2388, 27090), (2408, 26865), (2520, 25671), (2580, 25074), (2709, 23880), (2786, 23220), (2985, 21672), (3010, 21492), (3096, 20895), (3582, 18060), (3612, 17910), (3780, 17114), (3870, 16716), (3980, 16254), (4179, 15480), (4515, 14328), (4644, 13930), (4776, 13545), (5160, 12537), (5373, 12040), (5418, 11940), (5572, 11610), (5805, 11144), (5970, 10836), (6020, 10746), (6965, 9288), (7164, 9030), (7224, 8955), (7560, 8557), (7740, 8358), (7960, 8127)]