21073680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29269}}^1$

素因数の和:29288

約数の個数: 60

約数和(自身を含む): 70774860

約数和(自身を除く): 49701180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29269, 58538, 87807, 117076, 146345, 175614, 234152, 263421, 292690, 351228, 439035, 468304, 526842, 585380, 702456, 878070, 1053684, 1170760, 1317105, 1404912, 1756140, 2107368, 2341520, 2634210, 3512280, 4214736, 5268420, 7024560, 10536840, 21073680]

約数ペア:

[(1, 21073680), (2, 10536840), (3, 7024560), (4, 5268420), (5, 4214736), (6, 3512280), (8, 2634210), (9, 2341520), (10, 2107368), (12, 1756140), (15, 1404912), (16, 1317105), (18, 1170760), (20, 1053684), (24, 878070), (30, 702456), (36, 585380), (40, 526842), (45, 468304), (48, 439035), (60, 351228), (72, 292690), (80, 263421), (90, 234152), (120, 175614), (144, 146345), (180, 117076), (240, 87807), (360, 58538), (720, 29269)]