21751567640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 256

約数和(自身を含む): 56391552000

約数和(自身を除く): 34639984360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 73, 82, 83, 88, 110, 146, 164, 166, 199, 205, 220, 292, 328, 332, 365, 398, 410, 415, 440, 451, 584, 664, 730, 796, 803, 820, 830, 902, 913, 995, 1460, 1592, 1606, 1640, 1660, 1804, 1826, 1990, 2189, 2255, 2920, 2993, 3212, 3320, 3403, 3608, 3652, 3980, 4015, 4378, 4510, 4565, 5986, 6059, 6424, 6806, 7304, 7960, 8030, 8159, 8756, 9020, 9130, 10945, 11972, 12118, 13612, 14527, 14965, 16060, 16318, 16517, 17015, 17512, 18040, 18260, 21890, 23944, 24236, 27224, 29054, 29930, 30295, 32120, 32636, 32923, 33034, 34030, 36520, 37433, 40795, 43780, 48472, 58108, 59860, 60590, 65272, 65846, 66068, 66649, 68060, 72635, 74866, 81590, 82585, 87560, 89749, 116216, 119720, 121180, 131692, 132136, 133298, 136120, 145270, 149732, 159797, 163180, 164615, 165170, 179498, 181687, 187165, 242360, 248419, 263384, 266596, 290540, 299464, 319594, 326360, 329230, 330340, 333245, 358996, 363374, 374330, 448745, 496838, 533192, 581080, 595607, 639188, 658460, 660680, 666490, 677197, 717992, 726748, 748660, 798985, 897490, 908435, 993676, 1191214, 1205741, 1242095, 1278376, 1316920, 1332980, 1354394, 1453496, 1497320, 1597970, 1794980, 1816870, 1987352, 2382428, 2411482, 2484190, 2665960, 2708788, 2732609, 2978035, 3195940, 3385985, 3589960, 3633740, 4764856, 4822964, 4968380, 5417576, 5465218, 5956070, 6028705, 6391880, 6551677, 6771970, 7267480, 7449167, 9645928, 9936760, 10930436, 11912140, 12057410, 13103354, 13263151, 13543940, 13663045, 14898334, 21860872, 23824280, 24114820, 26206708, 26526302, 27087880, 27326090, 29796668, 32758385, 37245835, 48229640, 49435381, 52413416, 53052604, 54652180, 59593336, 65516770, 66315755, 74491670, 98870762, 106105208, 109304360, 131033540, 132631510, 148983340, 197741524, 247176905, 262067080, 265263020, 297966680, 395483048, 494353810, 530526040, 543789191, 988707620, 1087578382, 1977415240, 2175156764, 2718945955, 4350313528, 5437891910, 10875783820, 21751567640]

約数ペア:

[(1, 21751567640), (2, 10875783820), (4, 5437891910), (5, 4350313528), (8, 2718945955), (10, 2175156764), (11, 1977415240), (20, 1087578382), (22, 988707620), (40, 543789191), (41, 530526040), (44, 494353810), (55, 395483048), (73, 297966680), (82, 265263020), (83, 262067080), (88, 247176905), (110, 197741524), (146, 148983340), (164, 132631510), (166, 131033540), (199, 109304360), (205, 106105208), (220, 98870762), (292, 74491670), (328, 66315755), (332, 65516770), (365, 59593336), (398, 54652180), (410, 53052604), (415, 52413416), (440, 49435381), (451, 48229640), (584, 37245835), (664, 32758385), (730, 29796668), (796, 27326090), (803, 27087880), (820, 26526302), (830, 26206708), (902, 24114820), (913, 23824280), (995, 21860872), (1460, 14898334), (1592, 13663045), (1606, 13543940), (1640, 13263151), (1660, 13103354), (1804, 12057410), (1826, 11912140), (1990, 10930436), (2189, 9936760), (2255, 9645928), (2920, 7449167), (2993, 7267480), (3212, 6771970), (3320, 6551677), (3403, 6391880), (3608, 6028705), (3652, 5956070), (3980, 5465218), (4015, 5417576), (4378, 4968380), (4510, 4822964), (4565, 4764856), (5986, 3633740), (6059, 3589960), (6424, 3385985), (6806, 3195940), (7304, 2978035), (7960, 2732609), (8030, 2708788), (8159, 2665960), (8756, 2484190), (9020, 2411482), (9130, 2382428), (10945, 1987352), (11972, 1816870), (12118, 1794980), (13612, 1597970), (14527, 1497320), (14965, 1453496), (16060, 1354394), (16318, 1332980), (16517, 1316920), (17015, 1278376), (17512, 1242095), (18040, 1205741), (18260, 1191214), (21890, 993676), (23944, 908435), (24236, 897490), (27224, 798985), (29054, 748660), (29930, 726748), (30295, 717992), (32120, 677197), (32636, 666490), (32923, 660680), (33034, 658460), (34030, 639188), (36520, 595607), (37433, 581080), (40795, 533192), (43780, 496838), (48472, 448745), (58108, 374330), (59860, 363374), (60590, 358996), (65272, 333245), (65846, 330340), (66068, 329230), (66649, 326360), (68060, 319594), (72635, 299464), (74866, 290540), (81590, 266596), (82585, 263384), (87560, 248419), (89749, 242360), (116216, 187165), (119720, 181687), (121180, 179498), (131692, 165170), (132136, 164615), (133298, 163180), (136120, 159797), (145270, 149732)]