66779680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 96

約数和(自身を含む): 181258560

約数和(自身を除く): 114478880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 1997, 2090, 3040, 3344, 3994, 4180, 6688, 7988, 8360, 9985, 15976, 16720, 19970, 21967, 31952, 33440, 37943, 39940, 43934, 63904, 75886, 79880, 87868, 109835, 151772, 159760, 175736, 189715, 219670, 303544, 319520, 351472, 379430, 417373, 439340, 607088, 702944, 758860, 834746, 878680, 1214176, 1517720, 1669492, 1757360, 2086865, 3035440, 3338984, 3514720, 4173730, 6070880, 6677968, 8347460, 13355936, 16694920, 33389840, 66779680]

約数ペア:

[(1, 66779680), (2, 33389840), (4, 16694920), (5, 13355936), (8, 8347460), (10, 6677968), (11, 6070880), (16, 4173730), (19, 3514720), (20, 3338984), (22, 3035440), (32, 2086865), (38, 1757360), (40, 1669492), (44, 1517720), (55, 1214176), (76, 878680), (80, 834746), (88, 758860), (95, 702944), (110, 607088), (152, 439340), (160, 417373), (176, 379430), (190, 351472), (209, 319520), (220, 303544), (304, 219670), (352, 189715), (380, 175736), (418, 159760), (440, 151772), (608, 109835), (760, 87868), (836, 79880), (880, 75886), (1045, 63904), (1520, 43934), (1672, 39940), (1760, 37943), (1997, 33440), (2090, 31952), (3040, 21967), (3344, 19970), (3994, 16720), (4180, 15976), (6688, 9985), (7988, 8360)]