1220783580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{37889}}^1$

素因数の和:38083

約数の個数: 72

約数和(自身を含む): 3723829200

約数和(自身を除く): 2503045620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 8055, 10740, 16110, 32220, 37889, 75778, 113667, 151556, 189445, 227334, 341001, 378890, 454668, 568335, 682002, 757780, 1136670, 1364004, 1705005, 2273340, 3410010, 6782131, 6820020, 13564262, 20346393, 27128524, 33910655, 40692786, 61039179, 67821310, 81385572, 101731965, 122078358, 135642620, 203463930, 244156716, 305195895, 406927860, 610391790, 1220783580]

約数ペア:

[(1, 1220783580), (2, 610391790), (3, 406927860), (4, 305195895), (5, 244156716), (6, 203463930), (9, 135642620), (10, 122078358), (12, 101731965), (15, 81385572), (18, 67821310), (20, 61039179), (30, 40692786), (36, 33910655), (45, 27128524), (60, 20346393), (90, 13564262), (179, 6820020), (180, 6782131), (358, 3410010), (537, 2273340), (716, 1705005), (895, 1364004), (1074, 1136670), (1611, 757780), (1790, 682002), (2148, 568335), (2685, 454668), (3222, 378890), (3580, 341001), (5370, 227334), (6444, 189445), (8055, 151556), (10740, 113667), (16110, 75778), (32220, 37889)]