78488320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3607}}^1$

素因数の和:3645

約数の個数: 72

約数和(自身を含む): 199118304

約数和(自身を除く): 120629984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3607, 4352, 5440, 7214, 10880, 14428, 18035, 21760, 28856, 36070, 57712, 61319, 72140, 115424, 122638, 144280, 230848, 245276, 288560, 306595, 461696, 490552, 577120, 613190, 923392, 981104, 1154240, 1226380, 1962208, 2308480, 2452760, 3924416, 4616960, 4905520, 7848832, 9811040, 15697664, 19622080, 39244160, 78488320]

約数ペア:

[(1, 78488320), (2, 39244160), (4, 19622080), (5, 15697664), (8, 9811040), (10, 7848832), (16, 4905520), (17, 4616960), (20, 3924416), (32, 2452760), (34, 2308480), (40, 1962208), (64, 1226380), (68, 1154240), (80, 981104), (85, 923392), (128, 613190), (136, 577120), (160, 490552), (170, 461696), (256, 306595), (272, 288560), (320, 245276), (340, 230848), (544, 144280), (640, 122638), (680, 115424), (1088, 72140), (1280, 61319), (1360, 57712), (2176, 36070), (2720, 28856), (3607, 21760), (4352, 18035), (5440, 14428), (7214, 10880)]