31856580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 111855744

約数和(自身を除く): 79999164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 193, 210, 252, 262, 315, 386, 393, 420, 524, 579, 630, 655, 772, 786, 917, 965, 1158, 1179, 1260, 1310, 1351, 1572, 1737, 1834, 1930, 1965, 2316, 2358, 2620, 2702, 2751, 2895, 3474, 3668, 3860, 3930, 4053, 4585, 4716, 5404, 5502, 5790, 5895, 6755, 6948, 7860, 8106, 8253, 8685, 9170, 11004, 11580, 11790, 12159, 13510, 13755, 16212, 16506, 17370, 18340, 20265, 23580, 24318, 25283, 27020, 27510, 33012, 34740, 40530, 41265, 48636, 50566, 55020, 60795, 75849, 81060, 82530, 101132, 121590, 126415, 151698, 165060, 176981, 227547, 243180, 252830, 303396, 353962, 379245, 455094, 505660, 530943, 707924, 758490, 884905, 910188, 1061886, 1137735, 1516980, 1592829, 1769810, 2123772, 2275470, 2654715, 3185658, 3539620, 4550940, 5309430, 6371316, 7964145, 10618860, 15928290, 31856580]

約数ペア:

[(1, 31856580), (2, 15928290), (3, 10618860), (4, 7964145), (5, 6371316), (6, 5309430), (7, 4550940), (9, 3539620), (10, 3185658), (12, 2654715), (14, 2275470), (15, 2123772), (18, 1769810), (20, 1592829), (21, 1516980), (28, 1137735), (30, 1061886), (35, 910188), (36, 884905), (42, 758490), (45, 707924), (60, 530943), (63, 505660), (70, 455094), (84, 379245), (90, 353962), (105, 303396), (126, 252830), (131, 243180), (140, 227547), (180, 176981), (193, 165060), (210, 151698), (252, 126415), (262, 121590), (315, 101132), (386, 82530), (393, 81060), (420, 75849), (524, 60795), (579, 55020), (630, 50566), (655, 48636), (772, 41265), (786, 40530), (917, 34740), (965, 33012), (1158, 27510), (1179, 27020), (1260, 25283), (1310, 24318), (1351, 23580), (1572, 20265), (1737, 18340), (1834, 17370), (1930, 16506), (1965, 16212), (2316, 13755), (2358, 13510), (2620, 12159), (2702, 11790), (2751, 11580), (2895, 11004), (3474, 9170), (3668, 8685), (3860, 8253), (3930, 8106), (4053, 7860), (4585, 6948), (4716, 6755), (5404, 5895), (5502, 5790)]