65481990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1913}}^1$

素因数の和:2093

約数の個数: 64

約数和(自身を含む): 180804096

約数和(自身を除く): 115322106

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 815, 978, 1141, 1630, 1913, 2282, 2445, 3423, 3826, 4890, 5705, 5739, 6846, 9565, 11410, 11478, 13391, 17115, 19130, 26782, 28695, 34230, 40173, 57390, 66955, 80346, 133910, 200865, 311819, 401730, 623638, 935457, 1559095, 1870914, 2182733, 3118190, 4365466, 4677285, 6548199, 9354570, 10913665, 13096398, 21827330, 32740995, 65481990]

約数ペア:

[(1, 65481990), (2, 32740995), (3, 21827330), (5, 13096398), (6, 10913665), (7, 9354570), (10, 6548199), (14, 4677285), (15, 4365466), (21, 3118190), (30, 2182733), (35, 1870914), (42, 1559095), (70, 935457), (105, 623638), (163, 401730), (210, 311819), (326, 200865), (489, 133910), (815, 80346), (978, 66955), (1141, 57390), (1630, 40173), (1913, 34230), (2282, 28695), (2445, 26782), (3423, 19130), (3826, 17115), (4890, 13391), (5705, 11478), (5739, 11410), (6846, 9565)]