15515640

素因数分解:

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

素因数の和:202

約数の個数: 192

約数和(自身を含む): 59304960

約数和(自身を除く): 43789320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 131, 140, 141, 168, 180, 188, 210, 235, 252, 262, 280, 282, 315, 329, 360, 376, 393, 420, 423, 470, 504, 524, 564, 630, 655, 658, 705, 786, 840, 846, 917, 940, 987, 1048, 1128, 1179, 1260, 1310, 1316, 1410, 1572, 1645, 1692, 1834, 1880, 1965, 1974, 2115, 2358, 2520, 2620, 2632, 2751, 2820, 2961, 3144, 3290, 3384, 3668, 3930, 3948, 4230, 4585, 4716, 4935, 5240, 5502, 5640, 5895, 5922, 6157, 6580, 7336, 7860, 7896, 8253, 8460, 9170, 9432, 9870, 11004, 11790, 11844, 12314, 13160, 13755, 14805, 15720, 16506, 16920, 18340, 18471, 19740, 22008, 23580, 23688, 24628, 27510, 29610, 30785, 33012, 36680, 36942, 39480, 41265, 43099, 47160, 49256, 55020, 55413, 59220, 61570, 66024, 73884, 82530, 86198, 92355, 110040, 110826, 118440, 123140, 129297, 147768, 165060, 172396, 184710, 215495, 221652, 246280, 258594, 277065, 330120, 344792, 369420, 387891, 430990, 443304, 517188, 554130, 646485, 738840, 775782, 861980, 1034376, 1108260, 1292970, 1551564, 1723960, 1939455, 2216520, 2585940, 3103128, 3878910, 5171880, 7757820, 15515640]

約数ペア:

[(1, 15515640), (2, 7757820), (3, 5171880), (4, 3878910), (5, 3103128), (6, 2585940), (7, 2216520), (8, 1939455), (9, 1723960), (10, 1551564), (12, 1292970), (14, 1108260), (15, 1034376), (18, 861980), (20, 775782), (21, 738840), (24, 646485), (28, 554130), (30, 517188), (35, 443304), (36, 430990), (40, 387891), (42, 369420), (45, 344792), (47, 330120), (56, 277065), (60, 258594), (63, 246280), (70, 221652), (72, 215495), (84, 184710), (90, 172396), (94, 165060), (105, 147768), (120, 129297), (126, 123140), (131, 118440), (140, 110826), (141, 110040), (168, 92355), (180, 86198), (188, 82530), (210, 73884), (235, 66024), (252, 61570), (262, 59220), (280, 55413), (282, 55020), (315, 49256), (329, 47160), (360, 43099), (376, 41265), (393, 39480), (420, 36942), (423, 36680), (470, 33012), (504, 30785), (524, 29610), (564, 27510), (630, 24628), (655, 23688), (658, 23580), (705, 22008), (786, 19740), (840, 18471), (846, 18340), (917, 16920), (940, 16506), (987, 15720), (1048, 14805), (1128, 13755), (1179, 13160), (1260, 12314), (1310, 11844), (1316, 11790), (1410, 11004), (1572, 9870), (1645, 9432), (1692, 9170), (1834, 8460), (1880, 8253), (1965, 7896), (1974, 7860), (2115, 7336), (2358, 6580), (2520, 6157), (2620, 5922), (2632, 5895), (2751, 5640), (2820, 5502), (2961, 5240), (3144, 4935), (3290, 4716), (3384, 4585), (3668, 4230), (3930, 3948)]