80585440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 226328256

約数和(自身を除く): 145742816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 43, 52, 53, 65, 68, 80, 85, 86, 104, 106, 130, 136, 160, 170, 172, 208, 212, 215, 221, 260, 265, 272, 340, 344, 416, 424, 430, 442, 520, 530, 544, 559, 680, 688, 689, 731, 848, 860, 884, 901, 1040, 1060, 1105, 1118, 1360, 1376, 1378, 1462, 1696, 1720, 1768, 1802, 2080, 2120, 2210, 2236, 2279, 2720, 2756, 2795, 2924, 3440, 3445, 3536, 3604, 3655, 4240, 4420, 4472, 4505, 4558, 5512, 5590, 5848, 6880, 6890, 7072, 7208, 7310, 8480, 8840, 8944, 9010, 9116, 9503, 11024, 11180, 11395, 11696, 11713, 13780, 14416, 14620, 17680, 17888, 18020, 18232, 19006, 22048, 22360, 22790, 23392, 23426, 27560, 28832, 29240, 29627, 35360, 36040, 36464, 38012, 38743, 44720, 45580, 46852, 47515, 55120, 58480, 58565, 59254, 72080, 72928, 76024, 77486, 89440, 91160, 93704, 95030, 110240, 116960, 117130, 118508, 144160, 148135, 152048, 154972, 182320, 187408, 190060, 193715, 234260, 237016, 296270, 304096, 309944, 364640, 374816, 380120, 387430, 468520, 474032, 503659, 592540, 619888, 760240, 774860, 937040, 948064, 1007318, 1185080, 1239776, 1520480, 1549720, 1874080, 2014636, 2370160, 2518295, 3099440, 4029272, 4740320, 5036590, 6198880, 8058544, 10073180, 16117088, 20146360, 40292720, 80585440]

約数ペア:

[(1, 80585440), (2, 40292720), (4, 20146360), (5, 16117088), (8, 10073180), (10, 8058544), (13, 6198880), (16, 5036590), (17, 4740320), (20, 4029272), (26, 3099440), (32, 2518295), (34, 2370160), (40, 2014636), (43, 1874080), (52, 1549720), (53, 1520480), (65, 1239776), (68, 1185080), (80, 1007318), (85, 948064), (86, 937040), (104, 774860), (106, 760240), (130, 619888), (136, 592540), (160, 503659), (170, 474032), (172, 468520), (208, 387430), (212, 380120), (215, 374816), (221, 364640), (260, 309944), (265, 304096), (272, 296270), (340, 237016), (344, 234260), (416, 193715), (424, 190060), (430, 187408), (442, 182320), (520, 154972), (530, 152048), (544, 148135), (559, 144160), (680, 118508), (688, 117130), (689, 116960), (731, 110240), (848, 95030), (860, 93704), (884, 91160), (901, 89440), (1040, 77486), (1060, 76024), (1105, 72928), (1118, 72080), (1360, 59254), (1376, 58565), (1378, 58480), (1462, 55120), (1696, 47515), (1720, 46852), (1768, 45580), (1802, 44720), (2080, 38743), (2120, 38012), (2210, 36464), (2236, 36040), (2279, 35360), (2720, 29627), (2756, 29240), (2795, 28832), (2924, 27560), (3440, 23426), (3445, 23392), (3536, 22790), (3604, 22360), (3655, 22048), (4240, 19006), (4420, 18232), (4472, 18020), (4505, 17888), (4558, 17680), (5512, 14620), (5590, 14416), (5848, 13780), (6880, 11713), (6890, 11696), (7072, 11395), (7208, 11180), (7310, 11024), (8480, 9503), (8840, 9116), (8944, 9010)]