20151856120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1237829}}^1$

素因数の和:1237888

約数の個数: 64

約数和(自身を含む): 50800543200

約数和(自身を除く): 30648687080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 1237829, 2475658, 4951316, 6189145, 9902632, 12378290, 13616119, 24756580, 27232238, 45799673, 49513160, 54464476, 68080595, 91599346, 108928952, 136161190, 183198692, 228998365, 272322380, 366397384, 457996730, 503796403, 544644760, 915993460, 1007592806, 1831986920, 2015185612, 2518982015, 4030371224, 5037964030, 10075928060, 20151856120]

約数ペア:

[(1, 20151856120), (2, 10075928060), (4, 5037964030), (5, 4030371224), (8, 2518982015), (10, 2015185612), (11, 1831986920), (20, 1007592806), (22, 915993460), (37, 544644760), (40, 503796403), (44, 457996730), (55, 366397384), (74, 272322380), (88, 228998365), (110, 183198692), (148, 136161190), (185, 108928952), (220, 91599346), (296, 68080595), (370, 54464476), (407, 49513160), (440, 45799673), (740, 27232238), (814, 24756580), (1480, 13616119), (1628, 12378290), (2035, 9902632), (3256, 6189145), (4070, 4951316), (8140, 2475658), (16280, 1237829)]