4178720

素因数分解:

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

素因数の和:83

約数の個数: 144

約数和(自身を含む): 12669048

約数和(自身を除く): 8490328

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, 1820, 1960, 2009, 2080, 2132, 2296, 2548, 2665, 2870, 2912, 3185, 3280, 3640, 3731, 3920, 4018, 4264, 4592, 5096, 5330, 5740, 6370, 6560, 7280, 7462, 7840, 8036, 8528, 9184, 10045, 10192, 10660, 11480, 12740, 14560, 14924, 16072, 17056, 18655, 20090, 20384, 21320, 22960, 25480, 26117, 29848, 32144, 37310, 40180, 42640, 45920, 50960, 52234, 59696, 64288, 74620, 80360, 85280, 101920, 104468, 119392, 130585, 149240, 160720, 208936, 261170, 298480, 321440, 417872, 522340, 596960, 835744, 1044680, 2089360, 4178720]

約数ペア:

[(1, 4178720), (2, 2089360), (4, 1044680), (5, 835744), (7, 596960), (8, 522340), (10, 417872), (13, 321440), (14, 298480), (16, 261170), (20, 208936), (26, 160720), (28, 149240), (32, 130585), (35, 119392), (40, 104468), (41, 101920), (49, 85280), (52, 80360), (56, 74620), (65, 64288), (70, 59696), (80, 52234), (82, 50960), (91, 45920), (98, 42640), (104, 40180), (112, 37310), (130, 32144), (140, 29848), (160, 26117), (164, 25480), (182, 22960), (196, 21320), (205, 20384), (208, 20090), (224, 18655), (245, 17056), (260, 16072), (280, 14924), (287, 14560), (328, 12740), (364, 11480), (392, 10660), (410, 10192), (416, 10045), (455, 9184), (490, 8528), (520, 8036), (533, 7840), (560, 7462), (574, 7280), (637, 6560), (656, 6370), (728, 5740), (784, 5330), (820, 5096), (910, 4592), (980, 4264), (1040, 4018), (1066, 3920), (1120, 3731), (1148, 3640), (1274, 3280), (1312, 3185), (1435, 2912), (1456, 2870), (1568, 2665), (1640, 2548), (1820, 2296), (1960, 2132), (2009, 2080)]