128394560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 369271296

約数和(自身を除く): 240876736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 64, 70, 80, 86, 112, 124, 140, 155, 160, 172, 215, 217, 224, 248, 280, 301, 310, 320, 344, 430, 434, 448, 496, 560, 602, 620, 688, 860, 868, 992, 1085, 1120, 1204, 1240, 1333, 1376, 1505, 1720, 1736, 1849, 1984, 2170, 2240, 2408, 2480, 2666, 2752, 3010, 3440, 3472, 3698, 4340, 4816, 4960, 5332, 6020, 6665, 6880, 6944, 7396, 8680, 9245, 9331, 9632, 9920, 10664, 12040, 12943, 13330, 13760, 13888, 14792, 17360, 18490, 18662, 19264, 21328, 24080, 25886, 26660, 29584, 34720, 36980, 37324, 42656, 46655, 48160, 51772, 53320, 57319, 59168, 64715, 69440, 73960, 74648, 85312, 93310, 96320, 103544, 106640, 114638, 118336, 129430, 147920, 149296, 186620, 207088, 213280, 229276, 258860, 286595, 295840, 298592, 373240, 401233, 414176, 426560, 458552, 517720, 573190, 591680, 597184, 746480, 802466, 828352, 917104, 1035440, 1146380, 1492960, 1604932, 1834208, 2006165, 2070880, 2292760, 2985920, 3209864, 3668416, 4012330, 4141760, 4585520, 6419728, 8024660, 9171040, 12839456, 16049320, 18342080, 25678912, 32098640, 64197280, 128394560]

約数ペア:

[(1, 128394560), (2, 64197280), (4, 32098640), (5, 25678912), (7, 18342080), (8, 16049320), (10, 12839456), (14, 9171040), (16, 8024660), (20, 6419728), (28, 4585520), (31, 4141760), (32, 4012330), (35, 3668416), (40, 3209864), (43, 2985920), (56, 2292760), (62, 2070880), (64, 2006165), (70, 1834208), (80, 1604932), (86, 1492960), (112, 1146380), (124, 1035440), (140, 917104), (155, 828352), (160, 802466), (172, 746480), (215, 597184), (217, 591680), (224, 573190), (248, 517720), (280, 458552), (301, 426560), (310, 414176), (320, 401233), (344, 373240), (430, 298592), (434, 295840), (448, 286595), (496, 258860), (560, 229276), (602, 213280), (620, 207088), (688, 186620), (860, 149296), (868, 147920), (992, 129430), (1085, 118336), (1120, 114638), (1204, 106640), (1240, 103544), (1333, 96320), (1376, 93310), (1505, 85312), (1720, 74648), (1736, 73960), (1849, 69440), (1984, 64715), (2170, 59168), (2240, 57319), (2408, 53320), (2480, 51772), (2666, 48160), (2752, 46655), (3010, 42656), (3440, 37324), (3472, 36980), (3698, 34720), (4340, 29584), (4816, 26660), (4960, 25886), (5332, 24080), (6020, 21328), (6665, 19264), (6880, 18662), (6944, 18490), (7396, 17360), (8680, 14792), (9245, 13888), (9331, 13760), (9632, 13330), (9920, 12943), (10664, 12040)]