1216282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{215653}}^1$

素因数の和:215714

約数の個数: 64

約数和(自身を含む): 3726501120

約数和(自身を除く): 2510218200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 215653, 431306, 646959, 862612, 1078265, 1293918, 1725224, 2156530, 2587836, 3234795, 4313060, 5175672, 6469590, 8626120, 10135691, 12939180, 20271382, 25878360, 30407073, 40542764, 50678455, 60814146, 81085528, 101356910, 121628292, 152035365, 202713820, 243256584, 304070730, 405427640, 608141460, 1216282920]

約数ペア:

[(1, 1216282920), (2, 608141460), (3, 405427640), (4, 304070730), (5, 243256584), (6, 202713820), (8, 152035365), (10, 121628292), (12, 101356910), (15, 81085528), (20, 60814146), (24, 50678455), (30, 40542764), (40, 30407073), (47, 25878360), (60, 20271382), (94, 12939180), (120, 10135691), (141, 8626120), (188, 6469590), (235, 5175672), (282, 4313060), (376, 3234795), (470, 2587836), (564, 2156530), (705, 1725224), (940, 1293918), (1128, 1078265), (1410, 862612), (1880, 646959), (2820, 431306), (5640, 215653)]