128188720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 347406336

約数和(自身を除く): 219217616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 37, 40, 44, 55, 62, 74, 80, 88, 110, 124, 127, 148, 155, 176, 185, 220, 248, 254, 296, 310, 341, 370, 407, 440, 496, 508, 592, 620, 635, 682, 740, 814, 880, 1016, 1147, 1240, 1270, 1364, 1397, 1480, 1628, 1705, 2032, 2035, 2294, 2480, 2540, 2728, 2794, 2960, 3256, 3410, 3937, 4070, 4588, 4699, 5080, 5456, 5588, 5735, 6512, 6820, 6985, 7874, 8140, 9176, 9398, 10160, 11176, 11470, 12617, 13640, 13970, 15748, 16280, 18352, 18796, 19685, 22352, 22940, 23495, 25234, 27280, 27940, 31496, 32560, 37592, 39370, 43307, 45880, 46990, 50468, 51689, 55880, 62992, 63085, 75184, 78740, 86614, 91760, 93980, 100936, 103378, 111760, 126170, 145669, 157480, 173228, 187960, 201872, 206756, 216535, 252340, 258445, 291338, 314960, 346456, 375920, 413512, 433070, 504680, 516890, 582676, 692912, 728345, 827024, 866140, 1009360, 1033780, 1165352, 1456690, 1602359, 1732280, 2067560, 2330704, 2913380, 3204718, 3464560, 4135120, 5826760, 6409436, 8011795, 11653520, 12818872, 16023590, 25637744, 32047180, 64094360, 128188720]

約数ペア:

[(1, 128188720), (2, 64094360), (4, 32047180), (5, 25637744), (8, 16023590), (10, 12818872), (11, 11653520), (16, 8011795), (20, 6409436), (22, 5826760), (31, 4135120), (37, 3464560), (40, 3204718), (44, 2913380), (55, 2330704), (62, 2067560), (74, 1732280), (80, 1602359), (88, 1456690), (110, 1165352), (124, 1033780), (127, 1009360), (148, 866140), (155, 827024), (176, 728345), (185, 692912), (220, 582676), (248, 516890), (254, 504680), (296, 433070), (310, 413512), (341, 375920), (370, 346456), (407, 314960), (440, 291338), (496, 258445), (508, 252340), (592, 216535), (620, 206756), (635, 201872), (682, 187960), (740, 173228), (814, 157480), (880, 145669), (1016, 126170), (1147, 111760), (1240, 103378), (1270, 100936), (1364, 93980), (1397, 91760), (1480, 86614), (1628, 78740), (1705, 75184), (2032, 63085), (2035, 62992), (2294, 55880), (2480, 51689), (2540, 50468), (2728, 46990), (2794, 45880), (2960, 43307), (3256, 39370), (3410, 37592), (3937, 32560), (4070, 31496), (4588, 27940), (4699, 27280), (5080, 25234), (5456, 23495), (5588, 22940), (5735, 22352), (6512, 19685), (6820, 18796), (6985, 18352), (7874, 16280), (8140, 15748), (9176, 13970), (9398, 13640), (10160, 12617), (11176, 11470)]