64669314700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3253}}^1\times {\mathrm{3259}}^1$

素因数の和:6587

約数の個数: 72

約数和(自身を含む): 142720570160

約数和(自身を除く): 78051255460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3253, 3259, 6100, 6506, 6518, 13012, 13036, 16265, 16295, 32530, 32590, 65060, 65180, 81325, 81475, 162650, 162950, 198433, 198799, 325300, 325900, 396866, 397598, 793732, 795196, 992165, 993995, 1984330, 1987990, 3968660, 3975980, 4960825, 4969975, 9921650, 9939950, 10601527, 19843300, 19879900, 21203054, 42406108, 53007635, 106015270, 212030540, 265038175, 530076350, 646693147, 1060152700, 1293386294, 2586772588, 3233465735, 6466931470, 12933862940, 16167328675, 32334657350, 64669314700]

約数ペア:

[(1, 64669314700), (2, 32334657350), (4, 16167328675), (5, 12933862940), (10, 6466931470), (20, 3233465735), (25, 2586772588), (50, 1293386294), (61, 1060152700), (100, 646693147), (122, 530076350), (244, 265038175), (305, 212030540), (610, 106015270), (1220, 53007635), (1525, 42406108), (3050, 21203054), (3253, 19879900), (3259, 19843300), (6100, 10601527), (6506, 9939950), (6518, 9921650), (13012, 4969975), (13036, 4960825), (16265, 3975980), (16295, 3968660), (32530, 1987990), (32590, 1984330), (65060, 993995), (65180, 992165), (81325, 795196), (81475, 793732), (162650, 397598), (162950, 396866), (198433, 325900), (198799, 325300)]