7643320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 18468000

約数和(自身を除く): 10824680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 113, 152, 178, 190, 226, 356, 380, 445, 452, 565, 712, 760, 890, 904, 1130, 1691, 1780, 2147, 2260, 3382, 3560, 4294, 4520, 6764, 8455, 8588, 10057, 10735, 13528, 16910, 17176, 20114, 21470, 33820, 40228, 42940, 50285, 67640, 80456, 85880, 100570, 191083, 201140, 382166, 402280, 764332, 955415, 1528664, 1910830, 3821660, 7643320]

約数ペア:

[(1, 7643320), (2, 3821660), (4, 1910830), (5, 1528664), (8, 955415), (10, 764332), (19, 402280), (20, 382166), (38, 201140), (40, 191083), (76, 100570), (89, 85880), (95, 80456), (113, 67640), (152, 50285), (178, 42940), (190, 40228), (226, 33820), (356, 21470), (380, 20114), (445, 17176), (452, 16910), (565, 13528), (712, 10735), (760, 10057), (890, 8588), (904, 8455), (1130, 6764), (1691, 4520), (1780, 4294), (2147, 3560), (2260, 3382)]