80170640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 225628416

約数和(自身を除く): 145457776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 220, 230, 233, 253, 272, 340, 368, 374, 391, 440, 460, 466, 506, 680, 748, 782, 880, 920, 932, 935, 1012, 1165, 1265, 1360, 1496, 1564, 1840, 1864, 1870, 1955, 2024, 2330, 2530, 2563, 2992, 3128, 3728, 3740, 3910, 3961, 4048, 4301, 4660, 5060, 5126, 5359, 6256, 7480, 7820, 7922, 8602, 9320, 10120, 10252, 10718, 12815, 14960, 15640, 15844, 17204, 18640, 19805, 20240, 20504, 21436, 21505, 25630, 26795, 31280, 31688, 34408, 39610, 41008, 42872, 43010, 43571, 51260, 53590, 58949, 63376, 68816, 79220, 85744, 86020, 87142, 91103, 102520, 107180, 117898, 158440, 172040, 174284, 182206, 205040, 214360, 217855, 235796, 294745, 316880, 344080, 348568, 364412, 428720, 435710, 455515, 471592, 589490, 697136, 728824, 871420, 911030, 943184, 1002133, 1178980, 1457648, 1742840, 1822060, 2004266, 2357960, 3485680, 3644120, 4008532, 4715920, 5010665, 7288240, 8017064, 10021330, 16034128, 20042660, 40085320, 80170640]

約数ペア:

[(1, 80170640), (2, 40085320), (4, 20042660), (5, 16034128), (8, 10021330), (10, 8017064), (11, 7288240), (16, 5010665), (17, 4715920), (20, 4008532), (22, 3644120), (23, 3485680), (34, 2357960), (40, 2004266), (44, 1822060), (46, 1742840), (55, 1457648), (68, 1178980), (80, 1002133), (85, 943184), (88, 911030), (92, 871420), (110, 728824), (115, 697136), (136, 589490), (170, 471592), (176, 455515), (184, 435710), (187, 428720), (220, 364412), (230, 348568), (233, 344080), (253, 316880), (272, 294745), (340, 235796), (368, 217855), (374, 214360), (391, 205040), (440, 182206), (460, 174284), (466, 172040), (506, 158440), (680, 117898), (748, 107180), (782, 102520), (880, 91103), (920, 87142), (932, 86020), (935, 85744), (1012, 79220), (1165, 68816), (1265, 63376), (1360, 58949), (1496, 53590), (1564, 51260), (1840, 43571), (1864, 43010), (1870, 42872), (1955, 41008), (2024, 39610), (2330, 34408), (2530, 31688), (2563, 31280), (2992, 26795), (3128, 25630), (3728, 21505), (3740, 21436), (3910, 20504), (3961, 20240), (4048, 19805), (4301, 18640), (4660, 17204), (5060, 15844), (5126, 15640), (5359, 14960), (6256, 12815), (7480, 10718), (7820, 10252), (7922, 10120), (8602, 9320)]