15205680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:464

約数の個数: 180

約数和(自身を含む): 59540832

約数和(自身を除く): 44335152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 431, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 862, 882, 980, 1008, 1176, 1260, 1293, 1470, 1680, 1724, 1764, 1960, 2155, 2205, 2352, 2520, 2586, 2940, 3017, 3448, 3528, 3879, 3920, 4310, 4410, 5040, 5172, 5880, 6034, 6465, 6896, 7056, 7758, 8620, 8820, 9051, 10344, 11760, 12068, 12930, 15085, 15516, 17240, 17640, 18102, 19395, 20688, 21119, 24136, 25860, 27153, 30170, 31032, 34480, 35280, 36204, 38790, 42238, 45255, 48272, 51720, 54306, 60340, 62064, 63357, 72408, 77580, 84476, 90510, 103440, 105595, 108612, 120680, 126714, 135765, 144816, 155160, 168952, 181020, 190071, 211190, 217224, 241360, 253428, 271530, 310320, 316785, 337904, 362040, 380142, 422380, 434448, 506856, 543060, 633570, 724080, 760284, 844760, 950355, 1013712, 1086120, 1267140, 1520568, 1689520, 1900710, 2172240, 2534280, 3041136, 3801420, 5068560, 7602840, 15205680]

約数ペア:

[(1, 15205680), (2, 7602840), (3, 5068560), (4, 3801420), (5, 3041136), (6, 2534280), (7, 2172240), (8, 1900710), (9, 1689520), (10, 1520568), (12, 1267140), (14, 1086120), (15, 1013712), (16, 950355), (18, 844760), (20, 760284), (21, 724080), (24, 633570), (28, 543060), (30, 506856), (35, 434448), (36, 422380), (40, 380142), (42, 362040), (45, 337904), (48, 316785), (49, 310320), (56, 271530), (60, 253428), (63, 241360), (70, 217224), (72, 211190), (80, 190071), (84, 181020), (90, 168952), (98, 155160), (105, 144816), (112, 135765), (120, 126714), (126, 120680), (140, 108612), (144, 105595), (147, 103440), (168, 90510), (180, 84476), (196, 77580), (210, 72408), (240, 63357), (245, 62064), (252, 60340), (280, 54306), (294, 51720), (315, 48272), (336, 45255), (360, 42238), (392, 38790), (420, 36204), (431, 35280), (441, 34480), (490, 31032), (504, 30170), (560, 27153), (588, 25860), (630, 24136), (720, 21119), (735, 20688), (784, 19395), (840, 18102), (862, 17640), (882, 17240), (980, 15516), (1008, 15085), (1176, 12930), (1260, 12068), (1293, 11760), (1470, 10344), (1680, 9051), (1724, 8820), (1764, 8620), (1960, 7758), (2155, 7056), (2205, 6896), (2352, 6465), (2520, 6034), (2586, 5880), (2940, 5172), (3017, 5040), (3448, 4410), (3528, 4310), (3879, 3920)]