38478960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4111}}^1$

素因数の和:4143

約数の個数: 120

約数和(自身を含む): 139199424

約数和(自身を除く): 100720464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4111, 4680, 8222, 9360, 12333, 16444, 20555, 24666, 32888, 36999, 41110, 49332, 53443, 61665, 65776, 73998, 82220, 98664, 106886, 123330, 147996, 160329, 164440, 184995, 197328, 213772, 246660, 267215, 295992, 320658, 328880, 369990, 427544, 480987, 493320, 534430, 591984, 641316, 739980, 801645, 855088, 961974, 986640, 1068860, 1282632, 1479960, 1603290, 1923948, 2137720, 2404935, 2565264, 2959920, 3206580, 3847896, 4275440, 4809870, 6413160, 7695792, 9619740, 12826320, 19239480, 38478960]

約数ペア:

[(1, 38478960), (2, 19239480), (3, 12826320), (4, 9619740), (5, 7695792), (6, 6413160), (8, 4809870), (9, 4275440), (10, 3847896), (12, 3206580), (13, 2959920), (15, 2565264), (16, 2404935), (18, 2137720), (20, 1923948), (24, 1603290), (26, 1479960), (30, 1282632), (36, 1068860), (39, 986640), (40, 961974), (45, 855088), (48, 801645), (52, 739980), (60, 641316), (65, 591984), (72, 534430), (78, 493320), (80, 480987), (90, 427544), (104, 369990), (117, 328880), (120, 320658), (130, 295992), (144, 267215), (156, 246660), (180, 213772), (195, 197328), (208, 184995), (234, 164440), (240, 160329), (260, 147996), (312, 123330), (360, 106886), (390, 98664), (468, 82220), (520, 73998), (585, 65776), (624, 61665), (720, 53443), (780, 49332), (936, 41110), (1040, 36999), (1170, 32888), (1560, 24666), (1872, 20555), (2340, 16444), (3120, 12333), (4111, 9360), (4680, 8222)]