25158720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 112

約数和(自身を含む): 81198720

約数和(自身を除く): 56040000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 359, 365, 438, 480, 584, 718, 730, 876, 960, 1077, 1095, 1168, 1436, 1460, 1752, 1795, 2154, 2190, 2336, 2872, 2920, 3504, 3590, 4308, 4380, 4672, 5385, 5744, 5840, 7008, 7180, 8616, 8760, 10770, 11488, 11680, 14016, 14360, 17232, 17520, 21540, 22976, 23360, 26207, 28720, 34464, 35040, 43080, 52414, 57440, 68928, 70080, 78621, 86160, 104828, 114880, 131035, 157242, 172320, 209656, 262070, 314484, 344640, 393105, 419312, 524140, 628968, 786210, 838624, 1048280, 1257936, 1572420, 1677248, 2096560, 2515872, 3144840, 4193120, 5031744, 6289680, 8386240, 12579360, 25158720]

約数ペア:

[(1, 25158720), (2, 12579360), (3, 8386240), (4, 6289680), (5, 5031744), (6, 4193120), (8, 3144840), (10, 2515872), (12, 2096560), (15, 1677248), (16, 1572420), (20, 1257936), (24, 1048280), (30, 838624), (32, 786210), (40, 628968), (48, 524140), (60, 419312), (64, 393105), (73, 344640), (80, 314484), (96, 262070), (120, 209656), (146, 172320), (160, 157242), (192, 131035), (219, 114880), (240, 104828), (292, 86160), (320, 78621), (359, 70080), (365, 68928), (438, 57440), (480, 52414), (584, 43080), (718, 35040), (730, 34464), (876, 28720), (960, 26207), (1077, 23360), (1095, 22976), (1168, 21540), (1436, 17520), (1460, 17232), (1752, 14360), (1795, 14016), (2154, 11680), (2190, 11488), (2336, 10770), (2872, 8760), (2920, 8616), (3504, 7180), (3590, 7008), (4308, 5840), (4380, 5744), (4672, 5385)]