128216160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 440490960

約数和(自身を除く): 312274800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 269, 288, 331, 360, 480, 538, 662, 720, 807, 993, 1076, 1324, 1345, 1440, 1614, 1655, 1986, 2152, 2421, 2648, 2690, 2979, 3228, 3310, 3972, 4035, 4304, 4842, 4965, 5296, 5380, 5958, 6456, 6620, 7944, 8070, 8608, 9684, 9930, 10592, 10760, 11916, 12105, 12912, 13240, 14895, 15888, 16140, 19368, 19860, 21520, 23832, 24210, 25824, 26480, 29790, 31776, 32280, 38736, 39720, 43040, 47664, 48420, 52960, 59580, 64560, 77472, 79440, 89039, 95328, 96840, 119160, 129120, 158880, 178078, 193680, 238320, 267117, 356156, 387360, 445195, 476640, 534234, 712312, 801351, 890390, 1068468, 1335585, 1424624, 1602702, 1780780, 2136936, 2671170, 2849248, 3205404, 3561560, 4006755, 4273872, 5342340, 6410808, 7123120, 8013510, 8547744, 10684680, 12821616, 14246240, 16027020, 21369360, 25643232, 32054040, 42738720, 64108080, 128216160]

約数ペア:

[(1, 128216160), (2, 64108080), (3, 42738720), (4, 32054040), (5, 25643232), (6, 21369360), (8, 16027020), (9, 14246240), (10, 12821616), (12, 10684680), (15, 8547744), (16, 8013510), (18, 7123120), (20, 6410808), (24, 5342340), (30, 4273872), (32, 4006755), (36, 3561560), (40, 3205404), (45, 2849248), (48, 2671170), (60, 2136936), (72, 1780780), (80, 1602702), (90, 1424624), (96, 1335585), (120, 1068468), (144, 890390), (160, 801351), (180, 712312), (240, 534234), (269, 476640), (288, 445195), (331, 387360), (360, 356156), (480, 267117), (538, 238320), (662, 193680), (720, 178078), (807, 158880), (993, 129120), (1076, 119160), (1324, 96840), (1345, 95328), (1440, 89039), (1614, 79440), (1655, 77472), (1986, 64560), (2152, 59580), (2421, 52960), (2648, 48420), (2690, 47664), (2979, 43040), (3228, 39720), (3310, 38736), (3972, 32280), (4035, 31776), (4304, 29790), (4842, 26480), (4965, 25824), (5296, 24210), (5380, 23832), (5958, 21520), (6456, 19860), (6620, 19368), (7944, 16140), (8070, 15888), (8608, 14895), (9684, 13240), (9930, 12912), (10592, 12105), (10760, 11916)]