168018760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1551

約数の個数: 128

約数和(自身を含む): 480614400

約数和(自身を除く): 312595640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1489, 1612, 1736, 1820, 2015, 2170, 2821, 2978, 3224, 3640, 4030, 4340, 5642, 5956, 7445, 8060, 8680, 10423, 11284, 11912, 14105, 14890, 16120, 19357, 20846, 22568, 28210, 29780, 38714, 41692, 46159, 52115, 56420, 59560, 77428, 83384, 92318, 96785, 104230, 112840, 135499, 154856, 184636, 193570, 208460, 230795, 270998, 323113, 369272, 387140, 416920, 461590, 541996, 600067, 646226, 677495, 774280, 923180, 1083992, 1200134, 1292452, 1354990, 1615565, 1846360, 2400268, 2584904, 2709980, 3000335, 3231130, 4200469, 4800536, 5419960, 6000670, 6462260, 8400938, 12001340, 12924520, 16801876, 21002345, 24002680, 33603752, 42004690, 84009380, 168018760]

約数ペア:

[(1, 168018760), (2, 84009380), (4, 42004690), (5, 33603752), (7, 24002680), (8, 21002345), (10, 16801876), (13, 12924520), (14, 12001340), (20, 8400938), (26, 6462260), (28, 6000670), (31, 5419960), (35, 4800536), (40, 4200469), (52, 3231130), (56, 3000335), (62, 2709980), (65, 2584904), (70, 2400268), (91, 1846360), (104, 1615565), (124, 1354990), (130, 1292452), (140, 1200134), (155, 1083992), (182, 923180), (217, 774280), (248, 677495), (260, 646226), (280, 600067), (310, 541996), (364, 461590), (403, 416920), (434, 387140), (455, 369272), (520, 323113), (620, 270998), (728, 230795), (806, 208460), (868, 193570), (910, 184636), (1085, 154856), (1240, 135499), (1489, 112840), (1612, 104230), (1736, 96785), (1820, 92318), (2015, 83384), (2170, 77428), (2821, 59560), (2978, 56420), (3224, 52115), (3640, 46159), (4030, 41692), (4340, 38714), (5642, 29780), (5956, 28210), (7445, 22568), (8060, 20846), (8680, 19357), (10423, 16120), (11284, 14890), (11912, 14105)]