81115320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 256

約数和(自身を含む): 297561600

約数和(自身を除く): 216446280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 29, 30, 33, 39, 40, 44, 52, 55, 58, 60, 65, 66, 78, 87, 88, 104, 110, 116, 120, 130, 132, 143, 145, 156, 163, 165, 174, 195, 220, 232, 260, 264, 286, 290, 312, 319, 326, 330, 348, 377, 390, 429, 435, 440, 489, 520, 572, 580, 638, 652, 660, 696, 715, 754, 780, 815, 858, 870, 957, 978, 1131, 1144, 1160, 1276, 1304, 1320, 1430, 1508, 1560, 1595, 1630, 1716, 1740, 1793, 1885, 1914, 1956, 2119, 2145, 2262, 2445, 2552, 2860, 3016, 3190, 3260, 3432, 3480, 3586, 3770, 3828, 3912, 4147, 4238, 4290, 4524, 4727, 4785, 4890, 5379, 5655, 5720, 6357, 6380, 6520, 7172, 7540, 7656, 8294, 8476, 8580, 8965, 9048, 9454, 9570, 9780, 10595, 10758, 11310, 12441, 12714, 12760, 14181, 14344, 15080, 16588, 16952, 17160, 17930, 18908, 19140, 19560, 20735, 21190, 21516, 22620, 23309, 23635, 24882, 25428, 26895, 28362, 31785, 33176, 35860, 37816, 38280, 41470, 42380, 43032, 45240, 46618, 47270, 49764, 50856, 51997, 53790, 56724, 61451, 62205, 63570, 69927, 70905, 71720, 82940, 84760, 93236, 94540, 99528, 103994, 107580, 113448, 116545, 122902, 124410, 127140, 139854, 141810, 155991, 165880, 184353, 186472, 189080, 207988, 215160, 233090, 245804, 248820, 254280, 259985, 279708, 283620, 307255, 311982, 349635, 368706, 415976, 466180, 491608, 497640, 519970, 559416, 567240, 614510, 623964, 675961, 699270, 737412, 779955, 921765, 932360, 1039940, 1229020, 1247928, 1351922, 1398540, 1474824, 1559910, 1843530, 2027883, 2079880, 2458040, 2703844, 2797080, 3119820, 3379805, 3687060, 4055766, 5407688, 6239640, 6759610, 7374120, 8111532, 10139415, 13519220, 16223064, 20278830, 27038440, 40557660, 81115320]

約数ペア:

[(1, 81115320), (2, 40557660), (3, 27038440), (4, 20278830), (5, 16223064), (6, 13519220), (8, 10139415), (10, 8111532), (11, 7374120), (12, 6759610), (13, 6239640), (15, 5407688), (20, 4055766), (22, 3687060), (24, 3379805), (26, 3119820), (29, 2797080), (30, 2703844), (33, 2458040), (39, 2079880), (40, 2027883), (44, 1843530), (52, 1559910), (55, 1474824), (58, 1398540), (60, 1351922), (65, 1247928), (66, 1229020), (78, 1039940), (87, 932360), (88, 921765), (104, 779955), (110, 737412), (116, 699270), (120, 675961), (130, 623964), (132, 614510), (143, 567240), (145, 559416), (156, 519970), (163, 497640), (165, 491608), (174, 466180), (195, 415976), (220, 368706), (232, 349635), (260, 311982), (264, 307255), (286, 283620), (290, 279708), (312, 259985), (319, 254280), (326, 248820), (330, 245804), (348, 233090), (377, 215160), (390, 207988), (429, 189080), (435, 186472), (440, 184353), (489, 165880), (520, 155991), (572, 141810), (580, 139854), (638, 127140), (652, 124410), (660, 122902), (696, 116545), (715, 113448), (754, 107580), (780, 103994), (815, 99528), (858, 94540), (870, 93236), (957, 84760), (978, 82940), (1131, 71720), (1144, 70905), (1160, 69927), (1276, 63570), (1304, 62205), (1320, 61451), (1430, 56724), (1508, 53790), (1560, 51997), (1595, 50856), (1630, 49764), (1716, 47270), (1740, 46618), (1793, 45240), (1885, 43032), (1914, 42380), (1956, 41470), (2119, 38280), (2145, 37816), (2262, 35860), (2445, 33176), (2552, 31785), (2860, 28362), (3016, 26895), (3190, 25428), (3260, 24882), (3432, 23635), (3480, 23309), (3586, 22620), (3770, 21516), (3828, 21190), (3912, 20735), (4147, 19560), (4238, 19140), (4290, 18908), (4524, 17930), (4727, 17160), (4785, 16952), (4890, 16588), (5379, 15080), (5655, 14344), (5720, 14181), (6357, 12760), (6380, 12714), (6520, 12441), (7172, 11310), (7540, 10758), (7656, 10595), (8294, 9780), (8476, 9570), (8580, 9454), (8965, 9048)]