78567280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 217128960

約数和(自身を除く): 138561680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 80, 88, 95, 110, 127, 148, 152, 176, 185, 190, 209, 220, 254, 296, 304, 370, 380, 407, 418, 440, 508, 592, 635, 703, 740, 760, 814, 836, 880, 1016, 1045, 1270, 1397, 1406, 1480, 1520, 1628, 1672, 2032, 2035, 2090, 2413, 2540, 2794, 2812, 2960, 3256, 3344, 3515, 4070, 4180, 4699, 4826, 5080, 5588, 5624, 6512, 6985, 7030, 7733, 8140, 8360, 9398, 9652, 10160, 11176, 11248, 12065, 13970, 14060, 15466, 16280, 16720, 18796, 19304, 22352, 23495, 24130, 26543, 27940, 28120, 30932, 32560, 37592, 38608, 38665, 46990, 48260, 51689, 53086, 55880, 56240, 61864, 75184, 77330, 89281, 93980, 96520, 103378, 106172, 111760, 123728, 132715, 154660, 178562, 187960, 193040, 206756, 212344, 258445, 265430, 309320, 357124, 375920, 413512, 424688, 446405, 516890, 530860, 618640, 714248, 827024, 892810, 982091, 1033780, 1061720, 1428496, 1785620, 1964182, 2067560, 2123440, 3571240, 3928364, 4135120, 4910455, 7142480, 7856728, 9820910, 15713456, 19641820, 39283640, 78567280]

約数ペア:

[(1, 78567280), (2, 39283640), (4, 19641820), (5, 15713456), (8, 9820910), (10, 7856728), (11, 7142480), (16, 4910455), (19, 4135120), (20, 3928364), (22, 3571240), (37, 2123440), (38, 2067560), (40, 1964182), (44, 1785620), (55, 1428496), (74, 1061720), (76, 1033780), (80, 982091), (88, 892810), (95, 827024), (110, 714248), (127, 618640), (148, 530860), (152, 516890), (176, 446405), (185, 424688), (190, 413512), (209, 375920), (220, 357124), (254, 309320), (296, 265430), (304, 258445), (370, 212344), (380, 206756), (407, 193040), (418, 187960), (440, 178562), (508, 154660), (592, 132715), (635, 123728), (703, 111760), (740, 106172), (760, 103378), (814, 96520), (836, 93980), (880, 89281), (1016, 77330), (1045, 75184), (1270, 61864), (1397, 56240), (1406, 55880), (1480, 53086), (1520, 51689), (1628, 48260), (1672, 46990), (2032, 38665), (2035, 38608), (2090, 37592), (2413, 32560), (2540, 30932), (2794, 28120), (2812, 27940), (2960, 26543), (3256, 24130), (3344, 23495), (3515, 22352), (4070, 19304), (4180, 18796), (4699, 16720), (4826, 16280), (5080, 15466), (5588, 14060), (5624, 13970), (6512, 12065), (6985, 11248), (7030, 11176), (7733, 10160), (8140, 9652), (8360, 9398)]