164245760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 144

約数和(自身を含む): 469760256

約数和(自身を除く): 305514496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 797, 805, 896, 920, 1120, 1280, 1288, 1472, 1594, 1610, 1792, 1840, 2240, 2576, 2944, 3188, 3220, 3680, 3985, 4480, 5152, 5579, 5888, 6376, 6440, 7360, 7970, 8960, 10304, 11158, 12752, 12880, 14720, 15940, 18331, 20608, 22316, 25504, 25760, 27895, 29440, 31880, 36662, 41216, 44632, 51008, 51520, 55790, 63760, 73324, 89264, 91655, 102016, 103040, 111580, 127520, 128317, 146648, 178528, 183310, 204032, 206080, 223160, 255040, 256634, 293296, 357056, 366620, 446320, 510080, 513268, 586592, 641585, 714112, 733240, 892640, 1020160, 1026536, 1173184, 1283170, 1428224, 1466480, 1785280, 2053072, 2346368, 2566340, 2932960, 3570560, 4106144, 4692736, 5132680, 5865920, 7141120, 8212288, 10265360, 11731840, 16424576, 20530720, 23463680, 32849152, 41061440, 82122880, 164245760]

約数ペア:

[(1, 164245760), (2, 82122880), (4, 41061440), (5, 32849152), (7, 23463680), (8, 20530720), (10, 16424576), (14, 11731840), (16, 10265360), (20, 8212288), (23, 7141120), (28, 5865920), (32, 5132680), (35, 4692736), (40, 4106144), (46, 3570560), (56, 2932960), (64, 2566340), (70, 2346368), (80, 2053072), (92, 1785280), (112, 1466480), (115, 1428224), (128, 1283170), (140, 1173184), (160, 1026536), (161, 1020160), (184, 892640), (224, 733240), (230, 714112), (256, 641585), (280, 586592), (320, 513268), (322, 510080), (368, 446320), (448, 366620), (460, 357056), (560, 293296), (640, 256634), (644, 255040), (736, 223160), (797, 206080), (805, 204032), (896, 183310), (920, 178528), (1120, 146648), (1280, 128317), (1288, 127520), (1472, 111580), (1594, 103040), (1610, 102016), (1792, 91655), (1840, 89264), (2240, 73324), (2576, 63760), (2944, 55790), (3188, 51520), (3220, 51008), (3680, 44632), (3985, 41216), (4480, 36662), (5152, 31880), (5579, 29440), (5888, 27895), (6376, 25760), (6440, 25504), (7360, 22316), (7970, 20608), (8960, 18331), (10304, 15940), (11158, 14720), (12752, 12880)]