55538820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1291}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 169303680

約数和(自身を除く): 113764860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1291, 1434, 2151, 2390, 2582, 2868, 3585, 3873, 4302, 4780, 5164, 6455, 7170, 7746, 8604, 10755, 11619, 12910, 14340, 15492, 19365, 21510, 23238, 25820, 38730, 43020, 46476, 58095, 77460, 116190, 232380, 308549, 617098, 925647, 1234196, 1542745, 1851294, 2776941, 3085490, 3702588, 4628235, 5553882, 6170980, 9256470, 11107764, 13884705, 18512940, 27769410, 55538820]

約数ペア:

[(1, 55538820), (2, 27769410), (3, 18512940), (4, 13884705), (5, 11107764), (6, 9256470), (9, 6170980), (10, 5553882), (12, 4628235), (15, 3702588), (18, 3085490), (20, 2776941), (30, 1851294), (36, 1542745), (45, 1234196), (60, 925647), (90, 617098), (180, 308549), (239, 232380), (478, 116190), (717, 77460), (956, 58095), (1195, 46476), (1291, 43020), (1434, 38730), (2151, 25820), (2390, 23238), (2582, 21510), (2868, 19365), (3585, 15492), (3873, 14340), (4302, 12910), (4780, 11619), (5164, 10755), (6455, 8604), (7170, 7746)]