31079440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 91422720

約数和(自身を除く): 60343280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 127, 133, 140, 152, 161, 184, 190, 230, 254, 266, 280, 304, 322, 368, 380, 437, 460, 508, 532, 560, 635, 644, 665, 760, 805, 874, 889, 920, 1016, 1064, 1270, 1288, 1330, 1520, 1610, 1748, 1778, 1840, 2032, 2128, 2185, 2413, 2540, 2576, 2660, 2921, 3059, 3220, 3496, 3556, 4370, 4445, 4826, 5080, 5320, 5842, 6118, 6440, 6992, 7112, 8740, 8890, 9652, 10160, 10640, 11684, 12065, 12236, 12880, 14224, 14605, 15295, 16891, 17480, 17780, 19304, 20447, 23368, 24130, 24472, 29210, 30590, 33782, 34960, 35560, 38608, 40894, 46736, 48260, 48944, 55499, 58420, 61180, 67564, 71120, 81788, 84455, 96520, 102235, 110998, 116840, 122360, 135128, 163576, 168910, 193040, 204470, 221996, 233680, 244720, 270256, 277495, 327152, 337820, 388493, 408940, 443992, 554990, 675640, 776986, 817880, 887984, 1109980, 1351280, 1553972, 1635760, 1942465, 2219960, 3107944, 3884930, 4439920, 6215888, 7769860, 15539720, 31079440]

約数ペア:

[(1, 31079440), (2, 15539720), (4, 7769860), (5, 6215888), (7, 4439920), (8, 3884930), (10, 3107944), (14, 2219960), (16, 1942465), (19, 1635760), (20, 1553972), (23, 1351280), (28, 1109980), (35, 887984), (38, 817880), (40, 776986), (46, 675640), (56, 554990), (70, 443992), (76, 408940), (80, 388493), (92, 337820), (95, 327152), (112, 277495), (115, 270256), (127, 244720), (133, 233680), (140, 221996), (152, 204470), (161, 193040), (184, 168910), (190, 163576), (230, 135128), (254, 122360), (266, 116840), (280, 110998), (304, 102235), (322, 96520), (368, 84455), (380, 81788), (437, 71120), (460, 67564), (508, 61180), (532, 58420), (560, 55499), (635, 48944), (644, 48260), (665, 46736), (760, 40894), (805, 38608), (874, 35560), (889, 34960), (920, 33782), (1016, 30590), (1064, 29210), (1270, 24472), (1288, 24130), (1330, 23368), (1520, 20447), (1610, 19304), (1748, 17780), (1778, 17480), (1840, 16891), (2032, 15295), (2128, 14605), (2185, 14224), (2413, 12880), (2540, 12236), (2576, 12065), (2660, 11684), (2921, 10640), (3059, 10160), (3220, 9652), (3496, 8890), (3556, 8740), (4370, 7112), (4445, 6992), (4826, 6440), (5080, 6118), (5320, 5842)]