64844460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21191}}^1$

素因数の和:21223

約数の個数: 72

約数和(自身を含む): 208274976

約数和(自身を除く): 143430516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21191, 42382, 63573, 84764, 105955, 127146, 190719, 211910, 254292, 317865, 360247, 381438, 423820, 635730, 720494, 762876, 953595, 1080741, 1271460, 1440988, 1801235, 1907190, 2161482, 3242223, 3602470, 3814380, 4322964, 5403705, 6484446, 7204940, 10807410, 12968892, 16211115, 21614820, 32422230, 64844460]

約数ペア:

[(1, 64844460), (2, 32422230), (3, 21614820), (4, 16211115), (5, 12968892), (6, 10807410), (9, 7204940), (10, 6484446), (12, 5403705), (15, 4322964), (17, 3814380), (18, 3602470), (20, 3242223), (30, 2161482), (34, 1907190), (36, 1801235), (45, 1440988), (51, 1271460), (60, 1080741), (68, 953595), (85, 762876), (90, 720494), (102, 635730), (153, 423820), (170, 381438), (180, 360247), (204, 317865), (255, 254292), (306, 211910), (340, 190719), (510, 127146), (612, 105955), (765, 84764), (1020, 63573), (1530, 42382), (3060, 21191)]