1249776760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2041

約数の個数: 128

約数和(自身を含む): 3184272000

約数和(自身を除く): 1934495240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 41, 46, 68, 82, 85, 92, 115, 136, 164, 170, 184, 205, 230, 328, 340, 391, 410, 460, 680, 697, 782, 820, 920, 943, 1394, 1564, 1640, 1886, 1949, 1955, 2788, 3128, 3485, 3772, 3898, 3910, 4715, 5576, 6970, 7544, 7796, 7820, 9430, 9745, 13940, 15592, 15640, 16031, 18860, 19490, 27880, 32062, 33133, 37720, 38980, 44827, 64124, 66266, 77960, 79909, 80155, 89654, 128248, 132532, 159818, 160310, 165665, 179308, 224135, 265064, 319636, 320620, 331330, 358616, 399545, 448270, 639272, 641240, 662660, 762059, 799090, 896540, 1325320, 1358453, 1524118, 1598180, 1793080, 1837907, 2716906, 3048236, 3196360, 3675814, 3810295, 5433812, 6096472, 6792265, 7351628, 7620590, 9189535, 10867624, 13584530, 14703256, 15241180, 18379070, 27169060, 30482360, 31244419, 36758140, 54338120, 62488838, 73516280, 124977676, 156222095, 249955352, 312444190, 624888380, 1249776760]

約数ペア:

[(1, 1249776760), (2, 624888380), (4, 312444190), (5, 249955352), (8, 156222095), (10, 124977676), (17, 73516280), (20, 62488838), (23, 54338120), (34, 36758140), (40, 31244419), (41, 30482360), (46, 27169060), (68, 18379070), (82, 15241180), (85, 14703256), (92, 13584530), (115, 10867624), (136, 9189535), (164, 7620590), (170, 7351628), (184, 6792265), (205, 6096472), (230, 5433812), (328, 3810295), (340, 3675814), (391, 3196360), (410, 3048236), (460, 2716906), (680, 1837907), (697, 1793080), (782, 1598180), (820, 1524118), (920, 1358453), (943, 1325320), (1394, 896540), (1564, 799090), (1640, 762059), (1886, 662660), (1949, 641240), (1955, 639272), (2788, 448270), (3128, 399545), (3485, 358616), (3772, 331330), (3898, 320620), (3910, 319636), (4715, 265064), (5576, 224135), (6970, 179308), (7544, 165665), (7796, 160310), (7820, 159818), (9430, 132532), (9745, 128248), (13940, 89654), (15592, 80155), (15640, 79909), (16031, 77960), (18860, 66266), (19490, 64124), (27880, 44827), (32062, 38980), (33133, 37720)]