128568160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 216

約数和(自身を含む): 381278016

約数和(自身を除く): 252709856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 49, 56, 62, 70, 80, 92, 98, 112, 115, 124, 140, 155, 160, 161, 184, 196, 217, 224, 230, 245, 248, 280, 310, 322, 368, 392, 434, 460, 490, 496, 529, 560, 620, 644, 713, 736, 784, 805, 868, 920, 980, 992, 1058, 1085, 1120, 1127, 1240, 1288, 1426, 1519, 1568, 1610, 1736, 1840, 1960, 2116, 2170, 2254, 2480, 2576, 2645, 2852, 3038, 3220, 3472, 3565, 3680, 3703, 3920, 4232, 4340, 4508, 4960, 4991, 5152, 5290, 5635, 5704, 6076, 6440, 6944, 7130, 7406, 7595, 7840, 8464, 8680, 9016, 9982, 10580, 11270, 11408, 12152, 12880, 14260, 14812, 15190, 16399, 16928, 17360, 18032, 18515, 19964, 21160, 22540, 22816, 24304, 24955, 25760, 25921, 28520, 29624, 30380, 32798, 34720, 34937, 36064, 37030, 39928, 42320, 45080, 48608, 49910, 51842, 57040, 59248, 60760, 65596, 69874, 74060, 79856, 81995, 84640, 90160, 99820, 103684, 114080, 114793, 118496, 121520, 129605, 131192, 139748, 148120, 159712, 163990, 174685, 180320, 199640, 207368, 229586, 243040, 259210, 262384, 279496, 296240, 327980, 349370, 399280, 414736, 459172, 518420, 524768, 558992, 573965, 592480, 655960, 698740, 798560, 803551, 829472, 918344, 1036840, 1117984, 1147930, 1311920, 1397480, 1607102, 1836688, 2073680, 2295860, 2623840, 2794960, 3214204, 3673376, 4017755, 4147360, 4591720, 5589920, 6428408, 8035510, 9183440, 12856816, 16071020, 18366880, 25713632, 32142040, 64284080, 128568160]

約数ペア:

[(1, 128568160), (2, 64284080), (4, 32142040), (5, 25713632), (7, 18366880), (8, 16071020), (10, 12856816), (14, 9183440), (16, 8035510), (20, 6428408), (23, 5589920), (28, 4591720), (31, 4147360), (32, 4017755), (35, 3673376), (40, 3214204), (46, 2794960), (49, 2623840), (56, 2295860), (62, 2073680), (70, 1836688), (80, 1607102), (92, 1397480), (98, 1311920), (112, 1147930), (115, 1117984), (124, 1036840), (140, 918344), (155, 829472), (160, 803551), (161, 798560), (184, 698740), (196, 655960), (217, 592480), (224, 573965), (230, 558992), (245, 524768), (248, 518420), (280, 459172), (310, 414736), (322, 399280), (368, 349370), (392, 327980), (434, 296240), (460, 279496), (490, 262384), (496, 259210), (529, 243040), (560, 229586), (620, 207368), (644, 199640), (713, 180320), (736, 174685), (784, 163990), (805, 159712), (868, 148120), (920, 139748), (980, 131192), (992, 129605), (1058, 121520), (1085, 118496), (1120, 114793), (1127, 114080), (1240, 103684), (1288, 99820), (1426, 90160), (1519, 84640), (1568, 81995), (1610, 79856), (1736, 74060), (1840, 69874), (1960, 65596), (2116, 60760), (2170, 59248), (2254, 57040), (2480, 51842), (2576, 49910), (2645, 48608), (2852, 45080), (3038, 42320), (3220, 39928), (3472, 37030), (3565, 36064), (3680, 34937), (3703, 34720), (3920, 32798), (4232, 30380), (4340, 29624), (4508, 28520), (4960, 25921), (4991, 25760), (5152, 24955), (5290, 24304), (5635, 22816), (5704, 22540), (6076, 21160), (6440, 19964), (6944, 18515), (7130, 18032), (7406, 17360), (7595, 16928), (7840, 16399), (8464, 15190), (8680, 14812), (9016, 14260), (9982, 12880), (10580, 12152), (11270, 11408)]