64639260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 216

約数和(自身を含む): 235880736

約数和(自身を除く): 171241476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 61, 63, 70, 84, 87, 90, 105, 116, 122, 126, 140, 145, 174, 180, 183, 203, 210, 244, 252, 261, 290, 305, 315, 348, 366, 406, 420, 427, 435, 522, 549, 580, 609, 610, 630, 732, 812, 841, 854, 870, 915, 1015, 1044, 1098, 1218, 1220, 1260, 1281, 1305, 1682, 1708, 1740, 1769, 1827, 1830, 2030, 2135, 2196, 2436, 2523, 2562, 2610, 2745, 3045, 3364, 3538, 3654, 3660, 3843, 4060, 4205, 4270, 5046, 5124, 5220, 5307, 5490, 5887, 6090, 6405, 7076, 7308, 7569, 7686, 8410, 8540, 8845, 9135, 10092, 10614, 10980, 11774, 12180, 12383, 12615, 12810, 15138, 15372, 15921, 16820, 17661, 17690, 18270, 19215, 21228, 23548, 24766, 25230, 25620, 26535, 29435, 30276, 31842, 35322, 35380, 36540, 37149, 37845, 38430, 49532, 50460, 51301, 52983, 53070, 58870, 61915, 63684, 70644, 74298, 75690, 76860, 79605, 88305, 102602, 105966, 106140, 111447, 117740, 123830, 148596, 151380, 153903, 159210, 176610, 185745, 205204, 211932, 222894, 247660, 256505, 264915, 307806, 318420, 353220, 359107, 371490, 445788, 461709, 513010, 529830, 557235, 615612, 718214, 742980, 769515, 923418, 1026020, 1059660, 1077321, 1114470, 1436428, 1539030, 1795535, 1846836, 2154642, 2228940, 2308545, 3078060, 3231963, 3591070, 4309284, 4617090, 5386605, 6463926, 7182140, 9234180, 10773210, 12927852, 16159815, 21546420, 32319630, 64639260]

約数ペア:

[(1, 64639260), (2, 32319630), (3, 21546420), (4, 16159815), (5, 12927852), (6, 10773210), (7, 9234180), (9, 7182140), (10, 6463926), (12, 5386605), (14, 4617090), (15, 4309284), (18, 3591070), (20, 3231963), (21, 3078060), (28, 2308545), (29, 2228940), (30, 2154642), (35, 1846836), (36, 1795535), (42, 1539030), (45, 1436428), (58, 1114470), (60, 1077321), (61, 1059660), (63, 1026020), (70, 923418), (84, 769515), (87, 742980), (90, 718214), (105, 615612), (116, 557235), (122, 529830), (126, 513010), (140, 461709), (145, 445788), (174, 371490), (180, 359107), (183, 353220), (203, 318420), (210, 307806), (244, 264915), (252, 256505), (261, 247660), (290, 222894), (305, 211932), (315, 205204), (348, 185745), (366, 176610), (406, 159210), (420, 153903), (427, 151380), (435, 148596), (522, 123830), (549, 117740), (580, 111447), (609, 106140), (610, 105966), (630, 102602), (732, 88305), (812, 79605), (841, 76860), (854, 75690), (870, 74298), (915, 70644), (1015, 63684), (1044, 61915), (1098, 58870), (1218, 53070), (1220, 52983), (1260, 51301), (1281, 50460), (1305, 49532), (1682, 38430), (1708, 37845), (1740, 37149), (1769, 36540), (1827, 35380), (1830, 35322), (2030, 31842), (2135, 30276), (2196, 29435), (2436, 26535), (2523, 25620), (2562, 25230), (2610, 24766), (2745, 23548), (3045, 21228), (3364, 19215), (3538, 18270), (3654, 17690), (3660, 17661), (3843, 16820), (4060, 15921), (4205, 15372), (4270, 15138), (5046, 12810), (5124, 12615), (5220, 12383), (5307, 12180), (5490, 11774), (5887, 10980), (6090, 10614), (6405, 10092), (7076, 9135), (7308, 8845), (7569, 8540), (7686, 8410)]