25218720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 87508512

約数和(自身を除く): 62289792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 211, 240, 249, 288, 332, 360, 415, 422, 480, 498, 633, 664, 720, 747, 830, 844, 996, 1055, 1245, 1266, 1328, 1440, 1494, 1660, 1688, 1899, 1992, 2110, 2490, 2532, 2656, 2988, 3165, 3320, 3376, 3735, 3798, 3984, 4220, 4980, 5064, 5976, 6330, 6640, 6752, 7470, 7596, 7968, 8440, 9495, 9960, 10128, 11952, 12660, 13280, 14940, 15192, 16880, 17513, 18990, 19920, 20256, 23904, 25320, 29880, 30384, 33760, 35026, 37980, 39840, 50640, 52539, 59760, 60768, 70052, 75960, 87565, 101280, 105078, 119520, 140104, 151920, 157617, 175130, 210156, 262695, 280208, 303840, 315234, 350260, 420312, 525390, 560416, 630468, 700520, 788085, 840624, 1050780, 1260936, 1401040, 1576170, 1681248, 2101560, 2521872, 2802080, 3152340, 4203120, 5043744, 6304680, 8406240, 12609360, 25218720]

約数ペア:

[(1, 25218720), (2, 12609360), (3, 8406240), (4, 6304680), (5, 5043744), (6, 4203120), (8, 3152340), (9, 2802080), (10, 2521872), (12, 2101560), (15, 1681248), (16, 1576170), (18, 1401040), (20, 1260936), (24, 1050780), (30, 840624), (32, 788085), (36, 700520), (40, 630468), (45, 560416), (48, 525390), (60, 420312), (72, 350260), (80, 315234), (83, 303840), (90, 280208), (96, 262695), (120, 210156), (144, 175130), (160, 157617), (166, 151920), (180, 140104), (211, 119520), (240, 105078), (249, 101280), (288, 87565), (332, 75960), (360, 70052), (415, 60768), (422, 59760), (480, 52539), (498, 50640), (633, 39840), (664, 37980), (720, 35026), (747, 33760), (830, 30384), (844, 29880), (996, 25320), (1055, 23904), (1245, 20256), (1266, 19920), (1328, 18990), (1440, 17513), (1494, 16880), (1660, 15192), (1688, 14940), (1899, 13280), (1992, 12660), (2110, 11952), (2490, 10128), (2532, 9960), (2656, 9495), (2988, 8440), (3165, 7968), (3320, 7596), (3376, 7470), (3735, 6752), (3798, 6640), (3984, 6330), (4220, 5976), (4980, 5064)]