256911120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356821}}^1$

素因数の和:356840

約数の個数: 60

約数和(自身を含む): 862795596

約数和(自身を除く): 605884476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 356821, 713642, 1070463, 1427284, 1784105, 2140926, 2854568, 3211389, 3568210, 4281852, 5352315, 5709136, 6422778, 7136420, 8563704, 10704630, 12845556, 14272840, 16056945, 17127408, 21409260, 25691112, 28545680, 32113890, 42818520, 51382224, 64227780, 85637040, 128455560, 256911120]

約数ペア:

[(1, 256911120), (2, 128455560), (3, 85637040), (4, 64227780), (5, 51382224), (6, 42818520), (8, 32113890), (9, 28545680), (10, 25691112), (12, 21409260), (15, 17127408), (16, 16056945), (18, 14272840), (20, 12845556), (24, 10704630), (30, 8563704), (36, 7136420), (40, 6422778), (45, 5709136), (48, 5352315), (60, 4281852), (72, 3568210), (80, 3211389), (90, 2854568), (120, 2140926), (144, 1784105), (180, 1427284), (240, 1070463), (360, 713642), (720, 356821)]