171513990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 485222400

約数和(自身を除く): 313708410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 71, 90, 115, 135, 138, 142, 207, 213, 230, 270, 345, 355, 389, 414, 426, 621, 639, 690, 710, 778, 1035, 1065, 1167, 1242, 1278, 1633, 1917, 1945, 2070, 2130, 2334, 3105, 3195, 3266, 3501, 3834, 3890, 4899, 5835, 6210, 6390, 7002, 8165, 8947, 9585, 9798, 10503, 11670, 14697, 16330, 17505, 17894, 19170, 21006, 24495, 26841, 27619, 29394, 35010, 44091, 44735, 48990, 52515, 53682, 55238, 73485, 80523, 82857, 88182, 89470, 105030, 134205, 138095, 146970, 161046, 165714, 220455, 241569, 248571, 268410, 276190, 402615, 414285, 440910, 483138, 497142, 635237, 745713, 805230, 828570, 1207845, 1242855, 1270474, 1491426, 1905711, 2415690, 2485710, 3176185, 3728565, 3811422, 5717133, 6352370, 7457130, 9528555, 11434266, 17151399, 19057110, 28585665, 34302798, 57171330, 85756995, 171513990]

約数ペア:

[(1, 171513990), (2, 85756995), (3, 57171330), (5, 34302798), (6, 28585665), (9, 19057110), (10, 17151399), (15, 11434266), (18, 9528555), (23, 7457130), (27, 6352370), (30, 5717133), (45, 3811422), (46, 3728565), (54, 3176185), (69, 2485710), (71, 2415690), (90, 1905711), (115, 1491426), (135, 1270474), (138, 1242855), (142, 1207845), (207, 828570), (213, 805230), (230, 745713), (270, 635237), (345, 497142), (355, 483138), (389, 440910), (414, 414285), (426, 402615), (621, 276190), (639, 268410), (690, 248571), (710, 241569), (778, 220455), (1035, 165714), (1065, 161046), (1167, 146970), (1242, 138095), (1278, 134205), (1633, 105030), (1917, 89470), (1945, 88182), (2070, 82857), (2130, 80523), (2334, 73485), (3105, 55238), (3195, 53682), (3266, 52515), (3501, 48990), (3834, 44735), (3890, 44091), (4899, 35010), (5835, 29394), (6210, 27619), (6390, 26841), (7002, 24495), (8165, 21006), (8947, 19170), (9585, 17894), (9798, 17505), (10503, 16330), (11670, 14697)]