31432140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 101477376

約数和(自身を除く): 70045236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 131, 155, 172, 180, 186, 215, 258, 262, 279, 310, 372, 387, 393, 430, 465, 516, 524, 558, 620, 645, 655, 774, 786, 860, 930, 1116, 1179, 1290, 1310, 1333, 1395, 1548, 1572, 1860, 1935, 1965, 2358, 2580, 2620, 2666, 2790, 3870, 3930, 3999, 4061, 4716, 5332, 5580, 5633, 5895, 6665, 7740, 7860, 7998, 8122, 11266, 11790, 11997, 12183, 13330, 15996, 16244, 16899, 19995, 20305, 22532, 23580, 23994, 24366, 26660, 28165, 33798, 36549, 39990, 40610, 47988, 48732, 50697, 56330, 59985, 60915, 67596, 73098, 79980, 81220, 84495, 101394, 112660, 119970, 121830, 146196, 168990, 174623, 182745, 202788, 239940, 243660, 253485, 337980, 349246, 365490, 506970, 523869, 698492, 730980, 873115, 1013940, 1047738, 1571607, 1746230, 2095476, 2619345, 3143214, 3492460, 5238690, 6286428, 7858035, 10477380, 15716070, 31432140]

約数ペア:

[(1, 31432140), (2, 15716070), (3, 10477380), (4, 7858035), (5, 6286428), (6, 5238690), (9, 3492460), (10, 3143214), (12, 2619345), (15, 2095476), (18, 1746230), (20, 1571607), (30, 1047738), (31, 1013940), (36, 873115), (43, 730980), (45, 698492), (60, 523869), (62, 506970), (86, 365490), (90, 349246), (93, 337980), (124, 253485), (129, 243660), (131, 239940), (155, 202788), (172, 182745), (180, 174623), (186, 168990), (215, 146196), (258, 121830), (262, 119970), (279, 112660), (310, 101394), (372, 84495), (387, 81220), (393, 79980), (430, 73098), (465, 67596), (516, 60915), (524, 59985), (558, 56330), (620, 50697), (645, 48732), (655, 47988), (774, 40610), (786, 39990), (860, 36549), (930, 33798), (1116, 28165), (1179, 26660), (1290, 24366), (1310, 23994), (1333, 23580), (1395, 22532), (1548, 20305), (1572, 19995), (1860, 16899), (1935, 16244), (1965, 15996), (2358, 13330), (2580, 12183), (2620, 11997), (2666, 11790), (2790, 11266), (3870, 8122), (3930, 7998), (3999, 7860), (4061, 7740), (4716, 6665), (5332, 5895), (5580, 5633)]