25381440

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1289

約数の個数: 168

約数和(自身を含む): 99852480

約数和(自身を除く): 74471040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1259, 1260, 1344, 1440, 1680, 2016, 2240, 2518, 2520, 2880, 3360, 3777, 4032, 5036, 5040, 6295, 6720, 7554, 8813, 10072, 10080, 11331, 12590, 15108, 17626, 18885, 20144, 20160, 22662, 25180, 26439, 30216, 35252, 37770, 40288, 44065, 45324, 50360, 52878, 56655, 60432, 70504, 75540, 79317, 80576, 88130, 90648, 100720, 105756, 113310, 120864, 132195, 141008, 151080, 158634, 176260, 181296, 201440, 211512, 226620, 241728, 264390, 282016, 302160, 317268, 352520, 362592, 396585, 402880, 423024, 453240, 528780, 564032, 604320, 634536, 705040, 725184, 793170, 846048, 906480, 1057560, 1208640, 1269072, 1410080, 1586340, 1692096, 1812960, 2115120, 2538144, 2820160, 3172680, 3625920, 4230240, 5076288, 6345360, 8460480, 12690720, 25381440]

約数ペア:

[(1, 25381440), (2, 12690720), (3, 8460480), (4, 6345360), (5, 5076288), (6, 4230240), (7, 3625920), (8, 3172680), (9, 2820160), (10, 2538144), (12, 2115120), (14, 1812960), (15, 1692096), (16, 1586340), (18, 1410080), (20, 1269072), (21, 1208640), (24, 1057560), (28, 906480), (30, 846048), (32, 793170), (35, 725184), (36, 705040), (40, 634536), (42, 604320), (45, 564032), (48, 528780), (56, 453240), (60, 423024), (63, 402880), (64, 396585), (70, 362592), (72, 352520), (80, 317268), (84, 302160), (90, 282016), (96, 264390), (105, 241728), (112, 226620), (120, 211512), (126, 201440), (140, 181296), (144, 176260), (160, 158634), (168, 151080), (180, 141008), (192, 132195), (210, 120864), (224, 113310), (240, 105756), (252, 100720), (280, 90648), (288, 88130), (315, 80576), (320, 79317), (336, 75540), (360, 70504), (420, 60432), (448, 56655), (480, 52878), (504, 50360), (560, 45324), (576, 44065), (630, 40288), (672, 37770), (720, 35252), (840, 30216), (960, 26439), (1008, 25180), (1120, 22662), (1259, 20160), (1260, 20144), (1344, 18885), (1440, 17626), (1680, 15108), (2016, 12590), (2240, 11331), (2518, 10080), (2520, 10072), (2880, 8813), (3360, 7554), (3777, 6720), (4032, 6295), (5036, 5040)]