87897720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31847}}^1$

素因数の和:31884

約数の個数: 64

約数和(自身を含む): 275166720

約数和(自身を除く): 187269000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 31847, 63694, 95541, 127388, 159235, 191082, 254776, 318470, 382164, 477705, 636940, 732481, 764328, 955410, 1273880, 1464962, 1910820, 2197443, 2929924, 3662405, 3821640, 4394886, 5859848, 7324810, 8789772, 10987215, 14649620, 17579544, 21974430, 29299240, 43948860, 87897720]

約数ペア:

[(1, 87897720), (2, 43948860), (3, 29299240), (4, 21974430), (5, 17579544), (6, 14649620), (8, 10987215), (10, 8789772), (12, 7324810), (15, 5859848), (20, 4394886), (23, 3821640), (24, 3662405), (30, 2929924), (40, 2197443), (46, 1910820), (60, 1464962), (69, 1273880), (92, 955410), (115, 764328), (120, 732481), (138, 636940), (184, 477705), (230, 382164), (276, 318470), (345, 254776), (460, 191082), (552, 159235), (690, 127388), (920, 95541), (1380, 63694), (2760, 31847)]