129787840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4494

約数の個数: 112

約数和(自身を含む): 380463552

約数和(自身を除く): 250675712

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4457, 5824, 7280, 8914, 14560, 17828, 22285, 29120, 31199, 35656, 44570, 57941, 62398, 71312, 89140, 115882, 124796, 142624, 155995, 178280, 231764, 249592, 285248, 289705, 311990, 356560, 405587, 463528, 499184, 579410, 623980, 713120, 811174, 927056, 998368, 1158820, 1247960, 1426240, 1622348, 1854112, 1996736, 2027935, 2317640, 2495920, 3244696, 3708224, 4055870, 4635280, 4991840, 6489392, 8111740, 9270560, 9983680, 12978784, 16223480, 18541120, 25957568, 32446960, 64893920, 129787840]

約数ペア:

[(1, 129787840), (2, 64893920), (4, 32446960), (5, 25957568), (7, 18541120), (8, 16223480), (10, 12978784), (13, 9983680), (14, 9270560), (16, 8111740), (20, 6489392), (26, 4991840), (28, 4635280), (32, 4055870), (35, 3708224), (40, 3244696), (52, 2495920), (56, 2317640), (64, 2027935), (65, 1996736), (70, 1854112), (80, 1622348), (91, 1426240), (104, 1247960), (112, 1158820), (130, 998368), (140, 927056), (160, 811174), (182, 713120), (208, 623980), (224, 579410), (260, 499184), (280, 463528), (320, 405587), (364, 356560), (416, 311990), (448, 289705), (455, 285248), (520, 249592), (560, 231764), (728, 178280), (832, 155995), (910, 142624), (1040, 124796), (1120, 115882), (1456, 89140), (1820, 71312), (2080, 62398), (2240, 57941), (2912, 44570), (3640, 35656), (4160, 31199), (4457, 29120), (5824, 22285), (7280, 17828), (8914, 14560)]