31528640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 168

約数和(自身を含む): 90361008

約数和(自身を除く): 58832368

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 53, 55, 64, 65, 80, 88, 104, 106, 110, 130, 143, 160, 169, 176, 208, 212, 220, 260, 265, 286, 320, 338, 352, 416, 424, 440, 520, 530, 572, 583, 676, 689, 704, 715, 832, 845, 848, 880, 1040, 1060, 1144, 1166, 1352, 1378, 1430, 1690, 1696, 1760, 1859, 2080, 2120, 2288, 2332, 2704, 2756, 2860, 2915, 3380, 3392, 3445, 3520, 3718, 4160, 4240, 4576, 4664, 5408, 5512, 5720, 5830, 6760, 6890, 7436, 7579, 8480, 8957, 9152, 9295, 9328, 10816, 11024, 11440, 11660, 13520, 13780, 14872, 15158, 16960, 17914, 18590, 18656, 22048, 22880, 23320, 27040, 27560, 29744, 30316, 35828, 37180, 37312, 37895, 44096, 44785, 45760, 46640, 54080, 55120, 59488, 60632, 71656, 74360, 75790, 89570, 93280, 98527, 110240, 118976, 121264, 143312, 148720, 151580, 179140, 186560, 197054, 220480, 242528, 286624, 297440, 303160, 358280, 394108, 485056, 492635, 573248, 594880, 606320, 716560, 788216, 985270, 1212640, 1433120, 1576432, 1970540, 2425280, 2866240, 3152864, 3941080, 6305728, 7882160, 15764320, 31528640]

約数ペア:

[(1, 31528640), (2, 15764320), (4, 7882160), (5, 6305728), (8, 3941080), (10, 3152864), (11, 2866240), (13, 2425280), (16, 1970540), (20, 1576432), (22, 1433120), (26, 1212640), (32, 985270), (40, 788216), (44, 716560), (52, 606320), (53, 594880), (55, 573248), (64, 492635), (65, 485056), (80, 394108), (88, 358280), (104, 303160), (106, 297440), (110, 286624), (130, 242528), (143, 220480), (160, 197054), (169, 186560), (176, 179140), (208, 151580), (212, 148720), (220, 143312), (260, 121264), (265, 118976), (286, 110240), (320, 98527), (338, 93280), (352, 89570), (416, 75790), (424, 74360), (440, 71656), (520, 60632), (530, 59488), (572, 55120), (583, 54080), (676, 46640), (689, 45760), (704, 44785), (715, 44096), (832, 37895), (845, 37312), (848, 37180), (880, 35828), (1040, 30316), (1060, 29744), (1144, 27560), (1166, 27040), (1352, 23320), (1378, 22880), (1430, 22048), (1690, 18656), (1696, 18590), (1760, 17914), (1859, 16960), (2080, 15158), (2120, 14872), (2288, 13780), (2332, 13520), (2704, 11660), (2756, 11440), (2860, 11024), (2915, 10816), (3380, 9328), (3392, 9295), (3445, 9152), (3520, 8957), (3718, 8480), (4160, 7579), (4240, 7436), (4576, 6890), (4664, 6760), (5408, 5830), (5512, 5720)]