1987538520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1505711}}^1$

素因数の和:1505736

約数の個数: 64

約数和(自身を含む): 6504675840

約数和(自身を除く): 4517137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 1505711, 3011422, 4517133, 6022844, 7528555, 9034266, 12045688, 15057110, 16562821, 18068532, 22585665, 30114220, 33125642, 36137064, 45171330, 49688463, 60228440, 66251284, 82814105, 90342660, 99376926, 132502568, 165628210, 180685320, 198753852, 248442315, 331256420, 397507704, 496884630, 662512840, 993769260, 1987538520]

約数ペア:

[(1, 1987538520), (2, 993769260), (3, 662512840), (4, 496884630), (5, 397507704), (6, 331256420), (8, 248442315), (10, 198753852), (11, 180685320), (12, 165628210), (15, 132502568), (20, 99376926), (22, 90342660), (24, 82814105), (30, 66251284), (33, 60228440), (40, 49688463), (44, 45171330), (55, 36137064), (60, 33125642), (66, 30114220), (88, 22585665), (110, 18068532), (120, 16562821), (132, 15057110), (165, 12045688), (220, 9034266), (264, 7528555), (330, 6022844), (440, 4517133), (660, 3011422), (1320, 1505711)]