16271220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2077

約数の個数: 96

約数和(自身を含む): 54835200

約数和(自身を除く): 38563980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2039, 2660, 3990, 4078, 6117, 7980, 8156, 10195, 12234, 14273, 20390, 24468, 28546, 30585, 38741, 40780, 42819, 57092, 61170, 71365, 77482, 85638, 116223, 122340, 142730, 154964, 171276, 193705, 214095, 232446, 271187, 285460, 387410, 428190, 464892, 542374, 581115, 774820, 813561, 856380, 1084748, 1162230, 1355935, 1627122, 2324460, 2711870, 3254244, 4067805, 5423740, 8135610, 16271220]

約数ペア:

[(1, 16271220), (2, 8135610), (3, 5423740), (4, 4067805), (5, 3254244), (6, 2711870), (7, 2324460), (10, 1627122), (12, 1355935), (14, 1162230), (15, 1084748), (19, 856380), (20, 813561), (21, 774820), (28, 581115), (30, 542374), (35, 464892), (38, 428190), (42, 387410), (57, 285460), (60, 271187), (70, 232446), (76, 214095), (84, 193705), (95, 171276), (105, 154964), (114, 142730), (133, 122340), (140, 116223), (190, 85638), (210, 77482), (228, 71365), (266, 61170), (285, 57092), (380, 42819), (399, 40780), (420, 38741), (532, 30585), (570, 28546), (665, 24468), (798, 20390), (1140, 14273), (1330, 12234), (1596, 10195), (1995, 8156), (2039, 7980), (2660, 6117), (3990, 4078)]