28124580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 87994368

約数和(自身を除く): 59869788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 991, 1290, 1419, 1892, 1982, 2365, 2580, 2838, 2973, 3964, 4730, 4955, 5676, 5946, 7095, 9460, 9910, 10901, 11892, 14190, 14865, 19820, 21802, 28380, 29730, 32703, 42613, 43604, 54505, 59460, 65406, 85226, 109010, 127839, 130812, 163515, 170452, 213065, 218020, 255678, 327030, 426130, 468743, 511356, 639195, 654060, 852260, 937486, 1278390, 1406229, 1874972, 2343715, 2556780, 2812458, 4687430, 5624916, 7031145, 9374860, 14062290, 28124580]

約数ペア:

[(1, 28124580), (2, 14062290), (3, 9374860), (4, 7031145), (5, 5624916), (6, 4687430), (10, 2812458), (11, 2556780), (12, 2343715), (15, 1874972), (20, 1406229), (22, 1278390), (30, 937486), (33, 852260), (43, 654060), (44, 639195), (55, 511356), (60, 468743), (66, 426130), (86, 327030), (110, 255678), (129, 218020), (132, 213065), (165, 170452), (172, 163515), (215, 130812), (220, 127839), (258, 109010), (330, 85226), (430, 65406), (473, 59460), (516, 54505), (645, 43604), (660, 42613), (860, 32703), (946, 29730), (991, 28380), (1290, 21802), (1419, 19820), (1892, 14865), (1982, 14190), (2365, 11892), (2580, 10901), (2838, 9910), (2973, 9460), (3964, 7095), (4730, 5946), (4955, 5676)]