31005840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 103493376

約数和(自身を除く): 72487536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 92, 115, 120, 123, 137, 138, 164, 184, 205, 230, 240, 246, 274, 276, 328, 345, 368, 410, 411, 460, 492, 548, 552, 615, 656, 685, 690, 820, 822, 920, 943, 984, 1096, 1104, 1230, 1370, 1380, 1640, 1644, 1840, 1886, 1968, 2055, 2192, 2460, 2740, 2760, 2829, 3151, 3280, 3288, 3772, 4110, 4715, 4920, 5480, 5520, 5617, 5658, 6302, 6576, 7544, 8220, 9430, 9453, 9840, 10960, 11234, 11316, 12604, 14145, 15088, 15755, 16440, 16851, 18860, 18906, 22468, 22632, 25208, 28085, 28290, 31510, 32880, 33702, 37720, 37812, 44936, 45264, 47265, 50416, 56170, 56580, 63020, 67404, 75440, 75624, 84255, 89872, 94530, 112340, 113160, 126040, 129191, 134808, 151248, 168510, 189060, 224680, 226320, 252080, 258382, 269616, 337020, 378120, 387573, 449360, 516764, 645955, 674040, 756240, 775146, 1033528, 1291910, 1348080, 1550292, 1937865, 2067056, 2583820, 3100584, 3875730, 5167640, 6201168, 7751460, 10335280, 15502920, 31005840]

約数ペア:

[(1, 31005840), (2, 15502920), (3, 10335280), (4, 7751460), (5, 6201168), (6, 5167640), (8, 3875730), (10, 3100584), (12, 2583820), (15, 2067056), (16, 1937865), (20, 1550292), (23, 1348080), (24, 1291910), (30, 1033528), (40, 775146), (41, 756240), (46, 674040), (48, 645955), (60, 516764), (69, 449360), (80, 387573), (82, 378120), (92, 337020), (115, 269616), (120, 258382), (123, 252080), (137, 226320), (138, 224680), (164, 189060), (184, 168510), (205, 151248), (230, 134808), (240, 129191), (246, 126040), (274, 113160), (276, 112340), (328, 94530), (345, 89872), (368, 84255), (410, 75624), (411, 75440), (460, 67404), (492, 63020), (548, 56580), (552, 56170), (615, 50416), (656, 47265), (685, 45264), (690, 44936), (820, 37812), (822, 37720), (920, 33702), (943, 32880), (984, 31510), (1096, 28290), (1104, 28085), (1230, 25208), (1370, 22632), (1380, 22468), (1640, 18906), (1644, 18860), (1840, 16851), (1886, 16440), (1968, 15755), (2055, 15088), (2192, 14145), (2460, 12604), (2740, 11316), (2760, 11234), (2829, 10960), (3151, 9840), (3280, 9453), (3288, 9430), (3772, 8220), (4110, 7544), (4715, 6576), (4920, 6302), (5480, 5658), (5520, 5617)]