15581280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 57915648

約数和(自身を除く): 42334368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 227, 240, 260, 264, 286, 312, 330, 352, 390, 416, 429, 440, 454, 480, 520, 528, 572, 624, 660, 681, 715, 780, 858, 880, 908, 1040, 1056, 1135, 1144, 1248, 1320, 1362, 1430, 1560, 1716, 1760, 1816, 2080, 2145, 2270, 2288, 2497, 2640, 2724, 2860, 2951, 3120, 3405, 3432, 3632, 4290, 4540, 4576, 4994, 5280, 5448, 5720, 5902, 6240, 6810, 6864, 7264, 7491, 8580, 8853, 9080, 9988, 10896, 11440, 11804, 12485, 13620, 13728, 14755, 14982, 17160, 17706, 18160, 19976, 21792, 22880, 23608, 24970, 27240, 29510, 29964, 32461, 34320, 35412, 36320, 37455, 39952, 44265, 47216, 49940, 54480, 59020, 59928, 64922, 68640, 70824, 74910, 79904, 88530, 94432, 97383, 99880, 108960, 118040, 119856, 129844, 141648, 149820, 162305, 177060, 194766, 199760, 236080, 239712, 259688, 283296, 299640, 324610, 354120, 389532, 399520, 472160, 486915, 519376, 599280, 649220, 708240, 779064, 973830, 1038752, 1198560, 1298440, 1416480, 1558128, 1947660, 2596880, 3116256, 3895320, 5193760, 7790640, 15581280]

約数ペア:

[(1, 15581280), (2, 7790640), (3, 5193760), (4, 3895320), (5, 3116256), (6, 2596880), (8, 1947660), (10, 1558128), (11, 1416480), (12, 1298440), (13, 1198560), (15, 1038752), (16, 973830), (20, 779064), (22, 708240), (24, 649220), (26, 599280), (30, 519376), (32, 486915), (33, 472160), (39, 399520), (40, 389532), (44, 354120), (48, 324610), (52, 299640), (55, 283296), (60, 259688), (65, 239712), (66, 236080), (78, 199760), (80, 194766), (88, 177060), (96, 162305), (104, 149820), (110, 141648), (120, 129844), (130, 119856), (132, 118040), (143, 108960), (156, 99880), (160, 97383), (165, 94432), (176, 88530), (195, 79904), (208, 74910), (220, 70824), (227, 68640), (240, 64922), (260, 59928), (264, 59020), (286, 54480), (312, 49940), (330, 47216), (352, 44265), (390, 39952), (416, 37455), (429, 36320), (440, 35412), (454, 34320), (480, 32461), (520, 29964), (528, 29510), (572, 27240), (624, 24970), (660, 23608), (681, 22880), (715, 21792), (780, 19976), (858, 18160), (880, 17706), (908, 17160), (1040, 14982), (1056, 14755), (1135, 13728), (1144, 13620), (1248, 12485), (1320, 11804), (1362, 11440), (1430, 10896), (1560, 9988), (1716, 9080), (1760, 8853), (1816, 8580), (2080, 7491), (2145, 7264), (2270, 6864), (2288, 6810), (2497, 6240), (2640, 5902), (2724, 5720), (2860, 5448), (2951, 5280), (3120, 4994), (3405, 4576), (3432, 4540), (3632, 4290)]