64388220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82549}}^1$

素因数の和:82574

約数の個数: 48

約数和(自身を含む): 194157600

約数和(自身を除く): 129769380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 82549, 165098, 247647, 330196, 412745, 495294, 825490, 990588, 1073137, 1238235, 1650980, 2146274, 2476470, 3219411, 4292548, 4952940, 5365685, 6438822, 10731370, 12877644, 16097055, 21462740, 32194110, 64388220]

約数ペア:

[(1, 64388220), (2, 32194110), (3, 21462740), (4, 16097055), (5, 12877644), (6, 10731370), (10, 6438822), (12, 5365685), (13, 4952940), (15, 4292548), (20, 3219411), (26, 2476470), (30, 2146274), (39, 1650980), (52, 1238235), (60, 1073137), (65, 990588), (78, 825490), (130, 495294), (156, 412745), (195, 330196), (260, 247647), (390, 165098), (780, 82549)]