1551144980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 216

約数和(自身を含む): 4238567424

約数和(自身を除く): 2687422444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 103, 110, 121, 127, 140, 154, 196, 206, 220, 242, 245, 254, 308, 385, 412, 484, 490, 508, 515, 539, 605, 635, 721, 770, 847, 889, 980, 1030, 1078, 1133, 1210, 1270, 1397, 1442, 1540, 1694, 1778, 2060, 2156, 2266, 2420, 2540, 2695, 2794, 2884, 3388, 3556, 3605, 4235, 4445, 4532, 5047, 5390, 5588, 5665, 5929, 6223, 6985, 7210, 7931, 8470, 8890, 9779, 10094, 10780, 11330, 11858, 12446, 12463, 13081, 13970, 14420, 15367, 15862, 16940, 17780, 19558, 20188, 22660, 23716, 24892, 24926, 25235, 26162, 27940, 29645, 30734, 31115, 31724, 39116, 39655, 48895, 49852, 50470, 52324, 55517, 59290, 61468, 62230, 62315, 65405, 68453, 76835, 79310, 87241, 91567, 97790, 100940, 107569, 111034, 118580, 124460, 124630, 130810, 136906, 143891, 153670, 158620, 174482, 183134, 195580, 215138, 222068, 249260, 261620, 273812, 277585, 287782, 307340, 342265, 348964, 366268, 430276, 436205, 457835, 537845, 555170, 575564, 610687, 640969, 684530, 719455, 752983, 872410, 915670, 1007237, 1075690, 1110340, 1221374, 1281938, 1369060, 1438910, 1505966, 1582801, 1744820, 1831340, 2014474, 2151380, 2442748, 2563876, 2877820, 3011932, 3053435, 3165602, 3204845, 3764915, 4028948, 5036185, 6106870, 6331204, 6409690, 7050659, 7529830, 7914005, 10072370, 11079607, 12213740, 12819380, 14101318, 15059660, 15828010, 20144740, 22159214, 28202636, 31656020, 35253295, 44318428, 55398035, 70506590, 77557249, 110796070, 141013180, 155114498, 221592140, 310228996, 387786245, 775572490, 1551144980]

約数ペア:

[(1, 1551144980), (2, 775572490), (4, 387786245), (5, 310228996), (7, 221592140), (10, 155114498), (11, 141013180), (14, 110796070), (20, 77557249), (22, 70506590), (28, 55398035), (35, 44318428), (44, 35253295), (49, 31656020), (55, 28202636), (70, 22159214), (77, 20144740), (98, 15828010), (103, 15059660), (110, 14101318), (121, 12819380), (127, 12213740), (140, 11079607), (154, 10072370), (196, 7914005), (206, 7529830), (220, 7050659), (242, 6409690), (245, 6331204), (254, 6106870), (308, 5036185), (385, 4028948), (412, 3764915), (484, 3204845), (490, 3165602), (508, 3053435), (515, 3011932), (539, 2877820), (605, 2563876), (635, 2442748), (721, 2151380), (770, 2014474), (847, 1831340), (889, 1744820), (980, 1582801), (1030, 1505966), (1078, 1438910), (1133, 1369060), (1210, 1281938), (1270, 1221374), (1397, 1110340), (1442, 1075690), (1540, 1007237), (1694, 915670), (1778, 872410), (2060, 752983), (2156, 719455), (2266, 684530), (2420, 640969), (2540, 610687), (2695, 575564), (2794, 555170), (2884, 537845), (3388, 457835), (3556, 436205), (3605, 430276), (4235, 366268), (4445, 348964), (4532, 342265), (5047, 307340), (5390, 287782), (5588, 277585), (5665, 273812), (5929, 261620), (6223, 249260), (6985, 222068), (7210, 215138), (7931, 195580), (8470, 183134), (8890, 174482), (9779, 158620), (10094, 153670), (10780, 143891), (11330, 136906), (11858, 130810), (12446, 124630), (12463, 124460), (13081, 118580), (13970, 111034), (14420, 107569), (15367, 100940), (15862, 97790), (16940, 91567), (17780, 87241), (19558, 79310), (20188, 76835), (22660, 68453), (23716, 65405), (24892, 62315), (24926, 62230), (25235, 61468), (26162, 59290), (27940, 55517), (29645, 52324), (30734, 50470), (31115, 49852), (31724, 48895), (39116, 39655)]