87081720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1845

約数の個数: 128

約数和(自身を含む): 292861440

約数和(自身を除く): 205779720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1480, 1628, 1783, 2035, 2220, 2442, 3256, 3566, 4070, 4440, 4884, 5349, 6105, 7132, 8140, 8915, 9768, 10698, 12210, 14264, 16280, 17830, 19613, 21396, 24420, 26745, 35660, 39226, 42792, 48840, 53490, 58839, 65971, 71320, 78452, 98065, 106980, 117678, 131942, 156904, 196130, 197913, 213960, 235356, 263884, 294195, 329855, 392260, 395826, 470712, 527768, 588390, 659710, 725681, 784520, 791652, 989565, 1176780, 1319420, 1451362, 1583304, 1979130, 2177043, 2353560, 2638840, 2902724, 3628405, 3958260, 4354086, 5805448, 7256810, 7916520, 8708172, 10885215, 14513620, 17416344, 21770430, 29027240, 43540860, 87081720]

約数ペア:

[(1, 87081720), (2, 43540860), (3, 29027240), (4, 21770430), (5, 17416344), (6, 14513620), (8, 10885215), (10, 8708172), (11, 7916520), (12, 7256810), (15, 5805448), (20, 4354086), (22, 3958260), (24, 3628405), (30, 2902724), (33, 2638840), (37, 2353560), (40, 2177043), (44, 1979130), (55, 1583304), (60, 1451362), (66, 1319420), (74, 1176780), (88, 989565), (110, 791652), (111, 784520), (120, 725681), (132, 659710), (148, 588390), (165, 527768), (185, 470712), (220, 395826), (222, 392260), (264, 329855), (296, 294195), (330, 263884), (370, 235356), (407, 213960), (440, 197913), (444, 196130), (555, 156904), (660, 131942), (740, 117678), (814, 106980), (888, 98065), (1110, 78452), (1221, 71320), (1320, 65971), (1480, 58839), (1628, 53490), (1783, 48840), (2035, 42792), (2220, 39226), (2442, 35660), (3256, 26745), (3566, 24420), (4070, 21396), (4440, 19613), (4884, 17830), (5349, 16280), (6105, 14264), (7132, 12210), (8140, 10698), (8915, 9768)]