164407880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 480453120

約数和(自身を除く): 316045240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 47, 52, 56, 62, 65, 70, 91, 94, 104, 124, 130, 140, 155, 182, 188, 217, 235, 248, 260, 280, 310, 329, 364, 376, 403, 434, 455, 470, 520, 611, 620, 658, 728, 806, 868, 910, 940, 961, 1085, 1222, 1240, 1316, 1457, 1612, 1645, 1736, 1820, 1880, 1922, 2015, 2170, 2444, 2632, 2821, 2914, 3055, 3224, 3290, 3640, 3844, 4030, 4277, 4340, 4805, 4888, 5642, 5828, 6110, 6580, 6727, 7285, 7688, 8060, 8554, 8680, 9610, 10199, 11284, 11656, 12220, 12493, 13160, 13454, 14105, 14570, 16120, 17108, 18941, 19220, 20398, 21385, 22568, 24440, 24986, 26908, 28210, 29140, 33635, 34216, 37882, 38440, 40796, 42770, 45167, 49972, 50995, 53816, 56420, 58280, 62465, 67270, 75764, 81592, 85540, 87451, 90334, 94705, 99944, 101990, 112840, 124930, 132587, 134540, 151528, 171080, 174902, 180668, 189410, 203980, 225835, 249860, 265174, 269080, 316169, 349804, 361336, 378820, 407960, 437255, 451670, 499720, 530348, 587171, 632338, 662935, 699608, 757640, 874510, 903340, 1060696, 1174342, 1264676, 1325870, 1580845, 1749020, 1806680, 2348684, 2529352, 2651740, 2935855, 3161690, 3498040, 4110197, 4697368, 5303480, 5871710, 6323380, 8220394, 11743420, 12646760, 16440788, 20550985, 23486840, 32881576, 41101970, 82203940, 164407880]

約数ペア:

[(1, 164407880), (2, 82203940), (4, 41101970), (5, 32881576), (7, 23486840), (8, 20550985), (10, 16440788), (13, 12646760), (14, 11743420), (20, 8220394), (26, 6323380), (28, 5871710), (31, 5303480), (35, 4697368), (40, 4110197), (47, 3498040), (52, 3161690), (56, 2935855), (62, 2651740), (65, 2529352), (70, 2348684), (91, 1806680), (94, 1749020), (104, 1580845), (124, 1325870), (130, 1264676), (140, 1174342), (155, 1060696), (182, 903340), (188, 874510), (217, 757640), (235, 699608), (248, 662935), (260, 632338), (280, 587171), (310, 530348), (329, 499720), (364, 451670), (376, 437255), (403, 407960), (434, 378820), (455, 361336), (470, 349804), (520, 316169), (611, 269080), (620, 265174), (658, 249860), (728, 225835), (806, 203980), (868, 189410), (910, 180668), (940, 174902), (961, 171080), (1085, 151528), (1222, 134540), (1240, 132587), (1316, 124930), (1457, 112840), (1612, 101990), (1645, 99944), (1736, 94705), (1820, 90334), (1880, 87451), (1922, 85540), (2015, 81592), (2170, 75764), (2444, 67270), (2632, 62465), (2821, 58280), (2914, 56420), (3055, 53816), (3224, 50995), (3290, 49972), (3640, 45167), (3844, 42770), (4030, 40796), (4277, 38440), (4340, 37882), (4805, 34216), (4888, 33635), (5642, 29140), (5828, 28210), (6110, 26908), (6580, 24986), (6727, 24440), (7285, 22568), (7688, 21385), (8060, 20398), (8554, 19220), (8680, 18941), (9610, 17108), (10199, 16120), (11284, 14570), (11656, 14105), (12220, 13454), (12493, 13160)]