7757820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 27675648

約数和(自身を除く): 19917828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 131, 140, 141, 180, 188, 210, 235, 252, 262, 282, 315, 329, 393, 420, 423, 470, 524, 564, 630, 655, 658, 705, 786, 846, 917, 940, 987, 1179, 1260, 1310, 1316, 1410, 1572, 1645, 1692, 1834, 1965, 1974, 2115, 2358, 2620, 2751, 2820, 2961, 3290, 3668, 3930, 3948, 4230, 4585, 4716, 4935, 5502, 5895, 5922, 6157, 6580, 7860, 8253, 8460, 9170, 9870, 11004, 11790, 11844, 12314, 13755, 14805, 16506, 18340, 18471, 19740, 23580, 24628, 27510, 29610, 30785, 33012, 36942, 41265, 43099, 55020, 55413, 59220, 61570, 73884, 82530, 86198, 92355, 110826, 123140, 129297, 165060, 172396, 184710, 215495, 221652, 258594, 277065, 369420, 387891, 430990, 517188, 554130, 646485, 775782, 861980, 1108260, 1292970, 1551564, 1939455, 2585940, 3878910, 7757820]

約数ペア:

[(1, 7757820), (2, 3878910), (3, 2585940), (4, 1939455), (5, 1551564), (6, 1292970), (7, 1108260), (9, 861980), (10, 775782), (12, 646485), (14, 554130), (15, 517188), (18, 430990), (20, 387891), (21, 369420), (28, 277065), (30, 258594), (35, 221652), (36, 215495), (42, 184710), (45, 172396), (47, 165060), (60, 129297), (63, 123140), (70, 110826), (84, 92355), (90, 86198), (94, 82530), (105, 73884), (126, 61570), (131, 59220), (140, 55413), (141, 55020), (180, 43099), (188, 41265), (210, 36942), (235, 33012), (252, 30785), (262, 29610), (282, 27510), (315, 24628), (329, 23580), (393, 19740), (420, 18471), (423, 18340), (470, 16506), (524, 14805), (564, 13755), (630, 12314), (655, 11844), (658, 11790), (705, 11004), (786, 9870), (846, 9170), (917, 8460), (940, 8253), (987, 7860), (1179, 6580), (1260, 6157), (1310, 5922), (1316, 5895), (1410, 5502), (1572, 4935), (1645, 4716), (1692, 4585), (1834, 4230), (1965, 3948), (1974, 3930), (2115, 3668), (2358, 3290), (2620, 2961), (2751, 2820)]