77640960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20219}}^1$

素因数の和:20243

約数の個数: 72

約数和(自身を含む): 247978080

約数和(自身を除く): 170337120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20219, 40438, 60657, 80876, 101095, 121314, 161752, 202190, 242628, 303285, 323504, 404380, 485256, 606570, 647008, 808760, 970512, 1213140, 1294016, 1617520, 1941024, 2426280, 2588032, 3235040, 3882048, 4852560, 5176064, 6470080, 7764096, 9705120, 12940160, 15528192, 19410240, 25880320, 38820480, 77640960]

約数ペア:

[(1, 77640960), (2, 38820480), (3, 25880320), (4, 19410240), (5, 15528192), (6, 12940160), (8, 9705120), (10, 7764096), (12, 6470080), (15, 5176064), (16, 4852560), (20, 3882048), (24, 3235040), (30, 2588032), (32, 2426280), (40, 1941024), (48, 1617520), (60, 1294016), (64, 1213140), (80, 970512), (96, 808760), (120, 647008), (128, 606570), (160, 485256), (192, 404380), (240, 323504), (256, 303285), (320, 242628), (384, 202190), (480, 161752), (640, 121314), (768, 101095), (960, 80876), (1280, 60657), (1920, 40438), (3840, 20219)]