65894640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 160

約数和(自身を含む): 237651456

約数和(自身を除く): 171756816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 643, 732, 840, 854, 915, 976, 1220, 1281, 1286, 1464, 1680, 1708, 1830, 1929, 2135, 2440, 2562, 2572, 2928, 3215, 3416, 3660, 3858, 4270, 4501, 4880, 5124, 5144, 6405, 6430, 6832, 7320, 7716, 8540, 9002, 9645, 10248, 10288, 12810, 12860, 13503, 14640, 15432, 17080, 18004, 19290, 20496, 22505, 25620, 25720, 27006, 30864, 34160, 36008, 38580, 39223, 45010, 51240, 51440, 54012, 67515, 72016, 77160, 78446, 90020, 102480, 108024, 117669, 135030, 154320, 156892, 180040, 196115, 216048, 235338, 270060, 274561, 313784, 360080, 392230, 470676, 540120, 549122, 588345, 627568, 784460, 823683, 941352, 1080240, 1098244, 1176690, 1372805, 1568920, 1647366, 1882704, 2196488, 2353380, 2745610, 3137840, 3294732, 4118415, 4392976, 4706760, 5491220, 6589464, 8236830, 9413520, 10982440, 13178928, 16473660, 21964880, 32947320, 65894640]

約数ペア:

[(1, 65894640), (2, 32947320), (3, 21964880), (4, 16473660), (5, 13178928), (6, 10982440), (7, 9413520), (8, 8236830), (10, 6589464), (12, 5491220), (14, 4706760), (15, 4392976), (16, 4118415), (20, 3294732), (21, 3137840), (24, 2745610), (28, 2353380), (30, 2196488), (35, 1882704), (40, 1647366), (42, 1568920), (48, 1372805), (56, 1176690), (60, 1098244), (61, 1080240), (70, 941352), (80, 823683), (84, 784460), (105, 627568), (112, 588345), (120, 549122), (122, 540120), (140, 470676), (168, 392230), (183, 360080), (210, 313784), (240, 274561), (244, 270060), (280, 235338), (305, 216048), (336, 196115), (366, 180040), (420, 156892), (427, 154320), (488, 135030), (560, 117669), (610, 108024), (643, 102480), (732, 90020), (840, 78446), (854, 77160), (915, 72016), (976, 67515), (1220, 54012), (1281, 51440), (1286, 51240), (1464, 45010), (1680, 39223), (1708, 38580), (1830, 36008), (1929, 34160), (2135, 30864), (2440, 27006), (2562, 25720), (2572, 25620), (2928, 22505), (3215, 20496), (3416, 19290), (3660, 18004), (3858, 17080), (4270, 15432), (4501, 14640), (4880, 13503), (5124, 12860), (5144, 12810), (6405, 10288), (6430, 10248), (6832, 9645), (7320, 9002), (7716, 8540)]