78649380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16183}}^1$

素因数の和:16207

約数の個数: 72

約数和(自身を含む): 247420992

約数和(自身を除く): 168771612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16183, 32366, 48549, 64732, 80915, 97098, 145647, 161830, 194196, 242745, 291294, 323660, 436941, 485490, 582588, 728235, 873882, 970980, 1310823, 1456470, 1747764, 2184705, 2621646, 2912940, 3932469, 4369410, 5243292, 6554115, 7864938, 8738820, 13108230, 15729876, 19662345, 26216460, 39324690, 78649380]

約数ペア:

[(1, 78649380), (2, 39324690), (3, 26216460), (4, 19662345), (5, 15729876), (6, 13108230), (9, 8738820), (10, 7864938), (12, 6554115), (15, 5243292), (18, 4369410), (20, 3932469), (27, 2912940), (30, 2621646), (36, 2184705), (45, 1747764), (54, 1456470), (60, 1310823), (81, 970980), (90, 873882), (108, 728235), (135, 582588), (162, 485490), (180, 436941), (243, 323660), (270, 291294), (324, 242745), (405, 194196), (486, 161830), (540, 145647), (810, 97098), (972, 80915), (1215, 64732), (1620, 48549), (2430, 32366), (4860, 16183)]