61287040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 159952320

約数和(自身を除く): 98665280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 131, 136, 160, 170, 172, 215, 262, 272, 320, 340, 344, 430, 524, 544, 640, 655, 680, 688, 731, 860, 1048, 1088, 1310, 1360, 1376, 1462, 1720, 2096, 2176, 2227, 2620, 2720, 2752, 2924, 3440, 3655, 4192, 4454, 5240, 5440, 5504, 5633, 5848, 6880, 7310, 8384, 8908, 10480, 10880, 11135, 11266, 11696, 13760, 14620, 16768, 17816, 20960, 22270, 22532, 23392, 27520, 28165, 29240, 35632, 41920, 44540, 45064, 46784, 56330, 58480, 71264, 83840, 89080, 90128, 93568, 95761, 112660, 116960, 142528, 178160, 180256, 191522, 225320, 233920, 285056, 356320, 360512, 383044, 450640, 467840, 478805, 712640, 721024, 766088, 901280, 957610, 1425280, 1532176, 1802560, 1915220, 3064352, 3605120, 3830440, 6128704, 7660880, 12257408, 15321760, 30643520, 61287040]

約数ペア:

[(1, 61287040), (2, 30643520), (4, 15321760), (5, 12257408), (8, 7660880), (10, 6128704), (16, 3830440), (17, 3605120), (20, 3064352), (32, 1915220), (34, 1802560), (40, 1532176), (43, 1425280), (64, 957610), (68, 901280), (80, 766088), (85, 721024), (86, 712640), (128, 478805), (131, 467840), (136, 450640), (160, 383044), (170, 360512), (172, 356320), (215, 285056), (262, 233920), (272, 225320), (320, 191522), (340, 180256), (344, 178160), (430, 142528), (524, 116960), (544, 112660), (640, 95761), (655, 93568), (680, 90128), (688, 89080), (731, 83840), (860, 71264), (1048, 58480), (1088, 56330), (1310, 46784), (1360, 45064), (1376, 44540), (1462, 41920), (1720, 35632), (2096, 29240), (2176, 28165), (2227, 27520), (2620, 23392), (2720, 22532), (2752, 22270), (2924, 20960), (3440, 17816), (3655, 16768), (4192, 14620), (4454, 13760), (5240, 11696), (5440, 11266), (5504, 11135), (5633, 10880), (5848, 10480), (6880, 8908), (7310, 8384)]