128506980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 438939648

約数和(自身を除く): 310432668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 53, 60, 69, 70, 84, 92, 105, 106, 115, 138, 140, 159, 161, 210, 212, 230, 251, 265, 276, 318, 322, 345, 371, 420, 460, 483, 502, 530, 636, 644, 690, 742, 753, 795, 805, 966, 1004, 1060, 1113, 1219, 1255, 1380, 1484, 1506, 1590, 1610, 1757, 1855, 1932, 2226, 2415, 2438, 2510, 3012, 3180, 3220, 3514, 3657, 3710, 3765, 4452, 4830, 4876, 5020, 5271, 5565, 5773, 6095, 7028, 7314, 7420, 7530, 8533, 8785, 9660, 10542, 11130, 11546, 12190, 13303, 14628, 15060, 17066, 17319, 17570, 18285, 21084, 22260, 23092, 24380, 25599, 26355, 26606, 28865, 34132, 34638, 35140, 36570, 39909, 40411, 42665, 51198, 52710, 53212, 57730, 66515, 69276, 73140, 79818, 80822, 85330, 86595, 93121, 102396, 105420, 115460, 121233, 127995, 133030, 159636, 161644, 170660, 173190, 186242, 199545, 202055, 242466, 255990, 266060, 279363, 305969, 346380, 372484, 399090, 404110, 465605, 484932, 511980, 558726, 606165, 611938, 798180, 808220, 917907, 931210, 1117452, 1212330, 1223876, 1396815, 1529845, 1835814, 1862420, 2141783, 2424660, 2793630, 3059690, 3671628, 4283566, 4589535, 5587260, 6119380, 6425349, 8567132, 9179070, 10708915, 12850698, 18358140, 21417830, 25701396, 32126745, 42835660, 64253490, 128506980]

約数ペア:

[(1, 128506980), (2, 64253490), (3, 42835660), (4, 32126745), (5, 25701396), (6, 21417830), (7, 18358140), (10, 12850698), (12, 10708915), (14, 9179070), (15, 8567132), (20, 6425349), (21, 6119380), (23, 5587260), (28, 4589535), (30, 4283566), (35, 3671628), (42, 3059690), (46, 2793630), (53, 2424660), (60, 2141783), (69, 1862420), (70, 1835814), (84, 1529845), (92, 1396815), (105, 1223876), (106, 1212330), (115, 1117452), (138, 931210), (140, 917907), (159, 808220), (161, 798180), (210, 611938), (212, 606165), (230, 558726), (251, 511980), (265, 484932), (276, 465605), (318, 404110), (322, 399090), (345, 372484), (371, 346380), (420, 305969), (460, 279363), (483, 266060), (502, 255990), (530, 242466), (636, 202055), (644, 199545), (690, 186242), (742, 173190), (753, 170660), (795, 161644), (805, 159636), (966, 133030), (1004, 127995), (1060, 121233), (1113, 115460), (1219, 105420), (1255, 102396), (1380, 93121), (1484, 86595), (1506, 85330), (1590, 80822), (1610, 79818), (1757, 73140), (1855, 69276), (1932, 66515), (2226, 57730), (2415, 53212), (2438, 52710), (2510, 51198), (3012, 42665), (3180, 40411), (3220, 39909), (3514, 36570), (3657, 35140), (3710, 34638), (3765, 34132), (4452, 28865), (4830, 26606), (4876, 26355), (5020, 25599), (5271, 24380), (5565, 23092), (5773, 22260), (6095, 21084), (7028, 18285), (7314, 17570), (7420, 17319), (7530, 17066), (8533, 15060), (8785, 14628), (9660, 13303), (10542, 12190), (11130, 11546)]