128692480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 360267264

約数和(自身を除く): 231574784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 256, 265, 271, 280, 320, 371, 424, 448, 530, 542, 560, 640, 742, 848, 896, 1060, 1084, 1120, 1280, 1355, 1484, 1696, 1792, 1855, 1897, 2120, 2168, 2240, 2710, 2968, 3392, 3710, 3794, 4240, 4336, 4480, 5420, 5936, 6784, 7420, 7588, 8480, 8672, 8960, 9485, 10840, 11872, 13568, 14363, 14840, 15176, 16960, 17344, 18970, 21680, 23744, 28726, 29680, 30352, 33920, 34688, 37940, 43360, 47488, 57452, 59360, 60704, 67840, 69376, 71815, 75880, 86720, 94976, 100541, 114904, 118720, 121408, 143630, 151760, 173440, 201082, 229808, 237440, 242816, 287260, 303520, 346880, 402164, 459616, 474880, 485632, 502705, 574520, 607040, 804328, 919232, 1005410, 1149040, 1214080, 1608656, 1838464, 2010820, 2298080, 2428160, 3217312, 3676928, 4021640, 4596160, 6434624, 8043280, 9192320, 12869248, 16086560, 18384640, 25738496, 32173120, 64346240, 128692480]

約数ペア:

[(1, 128692480), (2, 64346240), (4, 32173120), (5, 25738496), (7, 18384640), (8, 16086560), (10, 12869248), (14, 9192320), (16, 8043280), (20, 6434624), (28, 4596160), (32, 4021640), (35, 3676928), (40, 3217312), (53, 2428160), (56, 2298080), (64, 2010820), (70, 1838464), (80, 1608656), (106, 1214080), (112, 1149040), (128, 1005410), (140, 919232), (160, 804328), (212, 607040), (224, 574520), (256, 502705), (265, 485632), (271, 474880), (280, 459616), (320, 402164), (371, 346880), (424, 303520), (448, 287260), (530, 242816), (542, 237440), (560, 229808), (640, 201082), (742, 173440), (848, 151760), (896, 143630), (1060, 121408), (1084, 118720), (1120, 114904), (1280, 100541), (1355, 94976), (1484, 86720), (1696, 75880), (1792, 71815), (1855, 69376), (1897, 67840), (2120, 60704), (2168, 59360), (2240, 57452), (2710, 47488), (2968, 43360), (3392, 37940), (3710, 34688), (3794, 33920), (4240, 30352), (4336, 29680), (4480, 28726), (5420, 23744), (5936, 21680), (6784, 18970), (7420, 17344), (7588, 16960), (8480, 15176), (8672, 14840), (8960, 14363), (9485, 13568), (10840, 11872)]