19870320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82793}}^1$

素因数の和:82809

約数の個数: 40

約数和(自身を含む): 61598736

約数和(自身を除く): 41728416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82793, 165586, 248379, 331172, 413965, 496758, 662344, 827930, 993516, 1241895, 1324688, 1655860, 1987032, 2483790, 3311720, 3974064, 4967580, 6623440, 9935160, 19870320]

約数ペア:

[(1, 19870320), (2, 9935160), (3, 6623440), (4, 4967580), (5, 3974064), (6, 3311720), (8, 2483790), (10, 1987032), (12, 1655860), (15, 1324688), (16, 1241895), (20, 993516), (24, 827930), (30, 662344), (40, 496758), (48, 413965), (60, 331172), (80, 248379), (120, 165586), (240, 82793)]