68894720

素因数分解:

$2^{14}\times 5^1\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 90

約数和(自身を含む): 171240342

約数和(自身を除く): 102345622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 841, 928, 1024, 1160, 1280, 1682, 1856, 2048, 2320, 2560, 3364, 3712, 4096, 4205, 4640, 5120, 6728, 7424, 8192, 8410, 9280, 10240, 13456, 14848, 16384, 16820, 18560, 20480, 26912, 29696, 33640, 37120, 40960, 53824, 59392, 67280, 74240, 81920, 107648, 118784, 134560, 148480, 215296, 237568, 269120, 296960, 430592, 475136, 538240, 593920, 861184, 1076480, 1187840, 1722368, 2152960, 2375680, 3444736, 4305920, 6889472, 8611840, 13778944, 17223680, 34447360, 68894720]

約数ペア:

[(1, 68894720), (2, 34447360), (4, 17223680), (5, 13778944), (8, 8611840), (10, 6889472), (16, 4305920), (20, 3444736), (29, 2375680), (32, 2152960), (40, 1722368), (58, 1187840), (64, 1076480), (80, 861184), (116, 593920), (128, 538240), (145, 475136), (160, 430592), (232, 296960), (256, 269120), (290, 237568), (320, 215296), (464, 148480), (512, 134560), (580, 118784), (640, 107648), (841, 81920), (928, 74240), (1024, 67280), (1160, 59392), (1280, 53824), (1682, 40960), (1856, 37120), (2048, 33640), (2320, 29696), (2560, 26912), (3364, 20480), (3712, 18560), (4096, 16820), (4205, 16384), (4640, 14848), (5120, 13456), (6728, 10240), (7424, 9280), (8192, 8410)]