64812720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 231985152

約数和(自身を除く): 167172432

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, 70, 80, 84, 105, 112, 120, 140, 168, 173, 210, 223, 240, 280, 336, 346, 420, 446, 519, 560, 669, 692, 840, 865, 892, 1038, 1115, 1211, 1338, 1384, 1561, 1680, 1730, 1784, 2076, 2230, 2422, 2595, 2676, 2768, 3122, 3345, 3460, 3568, 3633, 4152, 4460, 4683, 4844, 5190, 5352, 6055, 6244, 6690, 6920, 7266, 7805, 8304, 8920, 9366, 9688, 10380, 10704, 12110, 12488, 13380, 13840, 14532, 15610, 17840, 18165, 18732, 19376, 20760, 23415, 24220, 24976, 26760, 29064, 31220, 36330, 37464, 38579, 41520, 46830, 48440, 53520, 58128, 62440, 72660, 74928, 77158, 93660, 96880, 115737, 124880, 145320, 154316, 187320, 192895, 231474, 270053, 290640, 308632, 374640, 385790, 462948, 540106, 578685, 617264, 771580, 810159, 925896, 1080212, 1157370, 1350265, 1543160, 1620318, 1851792, 2160424, 2314740, 2700530, 3086320, 3240636, 4050795, 4320848, 4629480, 5401060, 6481272, 8101590, 9258960, 10802120, 12962544, 16203180, 21604240, 32406360, 64812720]

約数ペア:

[(1, 64812720), (2, 32406360), (3, 21604240), (4, 16203180), (5, 12962544), (6, 10802120), (7, 9258960), (8, 8101590), (10, 6481272), (12, 5401060), (14, 4629480), (15, 4320848), (16, 4050795), (20, 3240636), (21, 3086320), (24, 2700530), (28, 2314740), (30, 2160424), (35, 1851792), (40, 1620318), (42, 1543160), (48, 1350265), (56, 1157370), (60, 1080212), (70, 925896), (80, 810159), (84, 771580), (105, 617264), (112, 578685), (120, 540106), (140, 462948), (168, 385790), (173, 374640), (210, 308632), (223, 290640), (240, 270053), (280, 231474), (336, 192895), (346, 187320), (420, 154316), (446, 145320), (519, 124880), (560, 115737), (669, 96880), (692, 93660), (840, 77158), (865, 74928), (892, 72660), (1038, 62440), (1115, 58128), (1211, 53520), (1338, 48440), (1384, 46830), (1561, 41520), (1680, 38579), (1730, 37464), (1784, 36330), (2076, 31220), (2230, 29064), (2422, 26760), (2595, 24976), (2676, 24220), (2768, 23415), (3122, 20760), (3345, 19376), (3460, 18732), (3568, 18165), (3633, 17840), (4152, 15610), (4460, 14532), (4683, 13840), (4844, 13380), (5190, 12488), (5352, 12110), (6055, 10704), (6244, 10380), (6690, 9688), (6920, 9366), (7266, 8920), (7805, 8304)]