171327520

素因数分解:

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

素因数の和:124

約数の個数: 216

約数和(自身を含む): 519732612

約数和(自身を除く): 348405092

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 49, 52, 56, 65, 70, 80, 82, 91, 98, 104, 112, 130, 140, 160, 164, 182, 196, 205, 208, 224, 245, 260, 280, 287, 328, 364, 392, 410, 416, 455, 490, 520, 533, 560, 574, 637, 656, 728, 784, 820, 910, 980, 1040, 1066, 1120, 1148, 1274, 1312, 1435, 1456, 1568, 1640, 1681, 1820, 1960, 2009, 2080, 2132, 2296, 2548, 2665, 2870, 2912, 3185, 3280, 3362, 3640, 3731, 3920, 4018, 4264, 4592, 5096, 5330, 5740, 6370, 6560, 6724, 7280, 7462, 7840, 8036, 8405, 8528, 9184, 10045, 10192, 10660, 11480, 11767, 12740, 13448, 14560, 14924, 16072, 16810, 17056, 18655, 20090, 20384, 21320, 21853, 22960, 23534, 25480, 26117, 26896, 29848, 32144, 33620, 37310, 40180, 42640, 43706, 45920, 47068, 50960, 52234, 53792, 58835, 59696, 64288, 67240, 74620, 80360, 82369, 85280, 87412, 94136, 101920, 104468, 109265, 117670, 119392, 130585, 134480, 149240, 152971, 160720, 164738, 174824, 188272, 208936, 218530, 235340, 261170, 268960, 298480, 305942, 321440, 329476, 349648, 376544, 411845, 417872, 437060, 470680, 522340, 596960, 611884, 658952, 699296, 764855, 823690, 835744, 874120, 941360, 1044680, 1070797, 1223768, 1317904, 1529710, 1647380, 1748240, 1882720, 2089360, 2141594, 2447536, 2635808, 3059420, 3294760, 3496480, 4178720, 4283188, 4895072, 5353985, 6118840, 6589520, 8566376, 10707970, 12237680, 13179040, 17132752, 21415940, 24475360, 34265504, 42831880, 85663760, 171327520]

約数ペア:

[(1, 171327520), (2, 85663760), (4, 42831880), (5, 34265504), (7, 24475360), (8, 21415940), (10, 17132752), (13, 13179040), (14, 12237680), (16, 10707970), (20, 8566376), (26, 6589520), (28, 6118840), (32, 5353985), (35, 4895072), (40, 4283188), (41, 4178720), (49, 3496480), (52, 3294760), (56, 3059420), (65, 2635808), (70, 2447536), (80, 2141594), (82, 2089360), (91, 1882720), (98, 1748240), (104, 1647380), (112, 1529710), (130, 1317904), (140, 1223768), (160, 1070797), (164, 1044680), (182, 941360), (196, 874120), (205, 835744), (208, 823690), (224, 764855), (245, 699296), (260, 658952), (280, 611884), (287, 596960), (328, 522340), (364, 470680), (392, 437060), (410, 417872), (416, 411845), (455, 376544), (490, 349648), (520, 329476), (533, 321440), (560, 305942), (574, 298480), (637, 268960), (656, 261170), (728, 235340), (784, 218530), (820, 208936), (910, 188272), (980, 174824), (1040, 164738), (1066, 160720), (1120, 152971), (1148, 149240), (1274, 134480), (1312, 130585), (1435, 119392), (1456, 117670), (1568, 109265), (1640, 104468), (1681, 101920), (1820, 94136), (1960, 87412), (2009, 85280), (2080, 82369), (2132, 80360), (2296, 74620), (2548, 67240), (2665, 64288), (2870, 59696), (2912, 58835), (3185, 53792), (3280, 52234), (3362, 50960), (3640, 47068), (3731, 45920), (3920, 43706), (4018, 42640), (4264, 40180), (4592, 37310), (5096, 33620), (5330, 32144), (5740, 29848), (6370, 26896), (6560, 26117), (6724, 25480), (7280, 23534), (7462, 22960), (7840, 21853), (8036, 21320), (8405, 20384), (8528, 20090), (9184, 18655), (10045, 17056), (10192, 16810), (10660, 16072), (11480, 14924), (11767, 14560), (12740, 13448)]