19747920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 42123120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 769, 856, 1070, 1284, 1538, 1605, 1712, 2140, 2307, 2568, 3076, 3210, 3845, 4280, 4614, 5136, 6152, 6420, 7690, 8560, 9228, 11535, 12304, 12840, 15380, 18456, 23070, 25680, 30760, 36912, 46140, 61520, 82283, 92280, 164566, 184560, 246849, 329132, 411415, 493698, 658264, 822830, 987396, 1234245, 1316528, 1645660, 1974792, 2468490, 3291320, 3949584, 4936980, 6582640, 9873960, 19747920]

約数ペア:

[(1, 19747920), (2, 9873960), (3, 6582640), (4, 4936980), (5, 3949584), (6, 3291320), (8, 2468490), (10, 1974792), (12, 1645660), (15, 1316528), (16, 1234245), (20, 987396), (24, 822830), (30, 658264), (40, 493698), (48, 411415), (60, 329132), (80, 246849), (107, 184560), (120, 164566), (214, 92280), (240, 82283), (321, 61520), (428, 46140), (535, 36912), (642, 30760), (769, 25680), (856, 23070), (1070, 18456), (1284, 15380), (1538, 12840), (1605, 12304), (1712, 11535), (2140, 9228), (2307, 8560), (2568, 7690), (3076, 6420), (3210, 6152), (3845, 5136), (4280, 4614)]