387841280

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5717}}^1$

素因数の和:5791

約数の個数: 72

約数和(自身を含む): 946694952

約数和(自身を除く): 558853672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 3392, 4240, 5717, 6784, 8480, 11434, 13568, 16960, 22868, 28585, 33920, 45736, 57170, 67840, 91472, 114340, 182944, 228680, 303001, 365888, 457360, 606002, 731776, 914720, 1212004, 1463552, 1515005, 1829440, 2424008, 3030010, 3658880, 4848016, 6060020, 7317760, 9696032, 12120040, 19392064, 24240080, 38784128, 48480160, 77568256, 96960320, 193920640, 387841280]

約数ペア:

[(1, 387841280), (2, 193920640), (4, 96960320), (5, 77568256), (8, 48480160), (10, 38784128), (16, 24240080), (20, 19392064), (32, 12120040), (40, 9696032), (53, 7317760), (64, 6060020), (80, 4848016), (106, 3658880), (128, 3030010), (160, 2424008), (212, 1829440), (256, 1515005), (265, 1463552), (320, 1212004), (424, 914720), (530, 731776), (640, 606002), (848, 457360), (1060, 365888), (1280, 303001), (1696, 228680), (2120, 182944), (3392, 114340), (4240, 91472), (5717, 67840), (6784, 57170), (8480, 45736), (11434, 33920), (13568, 28585), (16960, 22868)]