73243640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 168933600

約数和(自身を除く): 95689960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 109, 157, 214, 218, 314, 428, 436, 535, 545, 628, 785, 856, 872, 1070, 1090, 1256, 1570, 2140, 2180, 3140, 4280, 4360, 6280, 11663, 16799, 17113, 23326, 33598, 34226, 46652, 58315, 67196, 68452, 83995, 85565, 93304, 116630, 134392, 136904, 167990, 171130, 233260, 335980, 342260, 466520, 671960, 684520, 1831091, 3662182, 7324364, 9155455, 14648728, 18310910, 36621820, 73243640]

約数ペア:

[(1, 73243640), (2, 36621820), (4, 18310910), (5, 14648728), (8, 9155455), (10, 7324364), (20, 3662182), (40, 1831091), (107, 684520), (109, 671960), (157, 466520), (214, 342260), (218, 335980), (314, 233260), (428, 171130), (436, 167990), (535, 136904), (545, 134392), (628, 116630), (785, 93304), (856, 85565), (872, 83995), (1070, 68452), (1090, 67196), (1256, 58315), (1570, 46652), (2140, 34226), (2180, 33598), (3140, 23326), (4280, 17113), (4360, 16799), (6280, 11663)]