61850340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 196612416

約数和(自身を除く): 134762076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 131, 172, 180, 183, 215, 244, 258, 262, 305, 366, 387, 393, 430, 516, 524, 549, 610, 645, 655, 732, 774, 786, 860, 915, 1098, 1179, 1220, 1290, 1310, 1548, 1572, 1830, 1935, 1965, 2196, 2358, 2580, 2620, 2623, 2745, 3660, 3870, 3930, 4716, 5246, 5490, 5633, 5895, 7740, 7860, 7869, 7991, 10492, 10980, 11266, 11790, 13115, 15738, 15982, 16899, 22532, 23580, 23607, 23973, 26230, 28165, 31476, 31964, 33798, 39345, 39955, 47214, 47946, 50697, 52460, 56330, 67596, 71919, 78690, 79910, 84495, 94428, 95892, 101394, 112660, 118035, 119865, 143838, 157380, 159820, 168990, 202788, 236070, 239730, 253485, 287676, 337980, 343613, 359595, 472140, 479460, 506970, 687226, 719190, 1013940, 1030839, 1374452, 1438380, 1718065, 2061678, 3092517, 3436130, 4123356, 5154195, 6185034, 6872260, 10308390, 12370068, 15462585, 20616780, 30925170, 61850340]

約数ペア:

[(1, 61850340), (2, 30925170), (3, 20616780), (4, 15462585), (5, 12370068), (6, 10308390), (9, 6872260), (10, 6185034), (12, 5154195), (15, 4123356), (18, 3436130), (20, 3092517), (30, 2061678), (36, 1718065), (43, 1438380), (45, 1374452), (60, 1030839), (61, 1013940), (86, 719190), (90, 687226), (122, 506970), (129, 479460), (131, 472140), (172, 359595), (180, 343613), (183, 337980), (215, 287676), (244, 253485), (258, 239730), (262, 236070), (305, 202788), (366, 168990), (387, 159820), (393, 157380), (430, 143838), (516, 119865), (524, 118035), (549, 112660), (610, 101394), (645, 95892), (655, 94428), (732, 84495), (774, 79910), (786, 78690), (860, 71919), (915, 67596), (1098, 56330), (1179, 52460), (1220, 50697), (1290, 47946), (1310, 47214), (1548, 39955), (1572, 39345), (1830, 33798), (1935, 31964), (1965, 31476), (2196, 28165), (2358, 26230), (2580, 23973), (2620, 23607), (2623, 23580), (2745, 22532), (3660, 16899), (3870, 15982), (3930, 15738), (4716, 13115), (5246, 11790), (5490, 11266), (5633, 10980), (5895, 10492), (7740, 7991), (7860, 7869)]