81987060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47119}}^1$

素因数の和:47160

約数の個数: 48

約数和(自身を含む): 237484800

約数和(自身を除く): 155497740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 47119, 94238, 141357, 188476, 235595, 282714, 471190, 565428, 706785, 942380, 1366451, 1413570, 2732902, 2827140, 4099353, 5465804, 6832255, 8198706, 13664510, 16397412, 20496765, 27329020, 40993530, 81987060]

約数ペア:

[(1, 81987060), (2, 40993530), (3, 27329020), (4, 20496765), (5, 16397412), (6, 13664510), (10, 8198706), (12, 6832255), (15, 5465804), (20, 4099353), (29, 2827140), (30, 2732902), (58, 1413570), (60, 1366451), (87, 942380), (116, 706785), (145, 565428), (174, 471190), (290, 282714), (348, 235595), (435, 188476), (580, 141357), (870, 94238), (1740, 47119)]