51399120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{214163}}^1$

素因数の和:214179

約数の個数: 40

約数和(自身を含む): 159338016

約数和(自身を除く): 107938896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 214163, 428326, 642489, 856652, 1070815, 1284978, 1713304, 2141630, 2569956, 3212445, 3426608, 4283260, 5139912, 6424890, 8566520, 10279824, 12849780, 17133040, 25699560, 51399120]

約数ペア:

[(1, 51399120), (2, 25699560), (3, 17133040), (4, 12849780), (5, 10279824), (6, 8566520), (8, 6424890), (10, 5139912), (12, 4283260), (15, 3426608), (16, 3212445), (20, 2569956), (24, 2141630), (30, 1713304), (40, 1284978), (48, 1070815), (60, 856652), (80, 642489), (120, 428326), (240, 214163)]