72664740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21247}}^1$

素因数の和:21281

約数の個数: 72

約数和(自身を含む): 232028160

約数和(自身を除く): 159363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21247, 42494, 63741, 84988, 106235, 127482, 191223, 212470, 254964, 318705, 382446, 403693, 424940, 637410, 764892, 807386, 956115, 1211079, 1274820, 1614772, 1912230, 2018465, 2422158, 3633237, 3824460, 4036930, 4844316, 6055395, 7266474, 8073860, 12110790, 14532948, 18166185, 24221580, 36332370, 72664740]

約数ペア:

[(1, 72664740), (2, 36332370), (3, 24221580), (4, 18166185), (5, 14532948), (6, 12110790), (9, 8073860), (10, 7266474), (12, 6055395), (15, 4844316), (18, 4036930), (19, 3824460), (20, 3633237), (30, 2422158), (36, 2018465), (38, 1912230), (45, 1614772), (57, 1274820), (60, 1211079), (76, 956115), (90, 807386), (95, 764892), (114, 637410), (171, 424940), (180, 403693), (190, 382446), (228, 318705), (285, 254964), (342, 212470), (380, 191223), (570, 127482), (684, 106235), (855, 84988), (1140, 63741), (1710, 42494), (3420, 21247)]