25023420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 80432352

約数和(自身を除く): 55408932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 53, 60, 61, 86, 90, 106, 122, 129, 159, 172, 180, 183, 212, 215, 244, 258, 265, 305, 318, 366, 387, 430, 477, 516, 530, 549, 610, 636, 645, 732, 774, 795, 860, 915, 954, 1060, 1098, 1220, 1290, 1548, 1590, 1830, 1908, 1935, 2196, 2279, 2385, 2580, 2623, 2745, 3180, 3233, 3660, 3870, 4558, 4770, 5246, 5490, 6466, 6837, 7740, 7869, 9116, 9540, 9699, 10492, 10980, 11395, 12932, 13115, 13674, 15738, 16165, 19398, 20511, 22790, 23607, 26230, 27348, 29097, 31476, 32330, 34185, 38796, 39345, 41022, 45580, 47214, 48495, 52460, 58194, 64660, 68370, 78690, 82044, 94428, 96990, 102555, 116388, 118035, 136740, 139019, 145485, 157380, 193980, 205110, 236070, 278038, 290970, 410220, 417057, 472140, 556076, 581940, 695095, 834114, 1251171, 1390190, 1668228, 2085285, 2502342, 2780380, 4170570, 5004684, 6255855, 8341140, 12511710, 25023420]

約数ペア:

[(1, 25023420), (2, 12511710), (3, 8341140), (4, 6255855), (5, 5004684), (6, 4170570), (9, 2780380), (10, 2502342), (12, 2085285), (15, 1668228), (18, 1390190), (20, 1251171), (30, 834114), (36, 695095), (43, 581940), (45, 556076), (53, 472140), (60, 417057), (61, 410220), (86, 290970), (90, 278038), (106, 236070), (122, 205110), (129, 193980), (159, 157380), (172, 145485), (180, 139019), (183, 136740), (212, 118035), (215, 116388), (244, 102555), (258, 96990), (265, 94428), (305, 82044), (318, 78690), (366, 68370), (387, 64660), (430, 58194), (477, 52460), (516, 48495), (530, 47214), (549, 45580), (610, 41022), (636, 39345), (645, 38796), (732, 34185), (774, 32330), (795, 31476), (860, 29097), (915, 27348), (954, 26230), (1060, 23607), (1098, 22790), (1220, 20511), (1290, 19398), (1548, 16165), (1590, 15738), (1830, 13674), (1908, 13115), (1935, 12932), (2196, 11395), (2279, 10980), (2385, 10492), (2580, 9699), (2623, 9540), (2745, 9116), (3180, 7869), (3233, 7740), (3660, 6837), (3870, 6466), (4558, 5490), (4770, 5246)]