128868740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 374588928

約数和(自身を除く): 245720188

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 41, 44, 52, 55, 65, 70, 77, 82, 91, 110, 130, 140, 143, 154, 157, 164, 182, 205, 220, 260, 286, 287, 308, 314, 364, 385, 410, 451, 455, 533, 572, 574, 628, 715, 770, 785, 820, 902, 910, 1001, 1066, 1099, 1148, 1430, 1435, 1540, 1570, 1727, 1804, 1820, 2002, 2041, 2132, 2198, 2255, 2665, 2860, 2870, 3140, 3157, 3454, 3731, 4004, 4082, 4396, 4510, 5005, 5330, 5495, 5740, 5863, 6314, 6437, 6908, 7462, 8164, 8635, 9020, 10010, 10205, 10660, 10990, 11726, 12089, 12628, 12874, 14287, 14924, 15785, 17270, 18655, 20020, 20410, 21980, 22451, 23452, 24178, 25748, 28574, 29315, 31570, 32185, 34540, 37310, 40820, 41041, 44902, 45059, 48356, 57148, 58630, 60445, 63140, 64370, 70807, 71435, 74620, 82082, 83681, 89804, 90118, 112255, 117260, 120890, 128740, 141614, 142870, 157157, 164164, 167362, 180236, 205205, 224510, 225295, 241780, 283228, 285740, 314314, 334724, 354035, 410410, 418405, 449020, 450590, 495649, 585767, 628628, 708070, 785785, 820820, 836810, 901180, 920491, 991298, 1171534, 1416140, 1571570, 1673620, 1840982, 1982596, 2343068, 2478245, 2928835, 3143140, 3681964, 4602455, 4956490, 5857670, 6443437, 9204910, 9912980, 11715340, 12886874, 18409820, 25773748, 32217185, 64434370, 128868740]

約数ペア:

[(1, 128868740), (2, 64434370), (4, 32217185), (5, 25773748), (7, 18409820), (10, 12886874), (11, 11715340), (13, 9912980), (14, 9204910), (20, 6443437), (22, 5857670), (26, 4956490), (28, 4602455), (35, 3681964), (41, 3143140), (44, 2928835), (52, 2478245), (55, 2343068), (65, 1982596), (70, 1840982), (77, 1673620), (82, 1571570), (91, 1416140), (110, 1171534), (130, 991298), (140, 920491), (143, 901180), (154, 836810), (157, 820820), (164, 785785), (182, 708070), (205, 628628), (220, 585767), (260, 495649), (286, 450590), (287, 449020), (308, 418405), (314, 410410), (364, 354035), (385, 334724), (410, 314314), (451, 285740), (455, 283228), (533, 241780), (572, 225295), (574, 224510), (628, 205205), (715, 180236), (770, 167362), (785, 164164), (820, 157157), (902, 142870), (910, 141614), (1001, 128740), (1066, 120890), (1099, 117260), (1148, 112255), (1430, 90118), (1435, 89804), (1540, 83681), (1570, 82082), (1727, 74620), (1804, 71435), (1820, 70807), (2002, 64370), (2041, 63140), (2132, 60445), (2198, 58630), (2255, 57148), (2665, 48356), (2860, 45059), (2870, 44902), (3140, 41041), (3157, 40820), (3454, 37310), (3731, 34540), (4004, 32185), (4082, 31570), (4396, 29315), (4510, 28574), (5005, 25748), (5330, 24178), (5495, 23452), (5740, 22451), (5863, 21980), (6314, 20410), (6437, 20020), (6908, 18655), (7462, 17270), (8164, 15785), (8635, 14924), (9020, 14287), (10010, 12874), (10205, 12628), (10660, 12089), (10990, 11726)]