78284520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217457}}^1$

素因数の和:217474

約数の個数: 48

約数和(自身を含む): 254425860

約数和(自身を除く): 176141340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 217457, 434914, 652371, 869828, 1087285, 1304742, 1739656, 1957113, 2174570, 2609484, 3261855, 3914226, 4349140, 5218968, 6523710, 7828452, 8698280, 9785565, 13047420, 15656904, 19571130, 26094840, 39142260, 78284520]

約数ペア:

[(1, 78284520), (2, 39142260), (3, 26094840), (4, 19571130), (5, 15656904), (6, 13047420), (8, 9785565), (9, 8698280), (10, 7828452), (12, 6523710), (15, 5218968), (18, 4349140), (20, 3914226), (24, 3261855), (30, 2609484), (36, 2174570), (40, 1957113), (45, 1739656), (60, 1304742), (72, 1087285), (90, 869828), (120, 652371), (180, 434914), (360, 217457)]