280620160

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8273}}^1$

素因数の和:8345

約数の個数: 64

約数和(自身を含む): 683597880

約数和(自身を除く): 402977720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6784, 8273, 8480, 16546, 16960, 33092, 33920, 41365, 66184, 82730, 132368, 165460, 264736, 330920, 438469, 529472, 661840, 876938, 1058944, 1323680, 1753876, 2192345, 2647360, 3507752, 4384690, 5294720, 7015504, 8769380, 14031008, 17538760, 28062016, 35077520, 56124032, 70155040, 140310080, 280620160]

約数ペア:

[(1, 280620160), (2, 140310080), (4, 70155040), (5, 56124032), (8, 35077520), (10, 28062016), (16, 17538760), (20, 14031008), (32, 8769380), (40, 7015504), (53, 5294720), (64, 4384690), (80, 3507752), (106, 2647360), (128, 2192345), (160, 1753876), (212, 1323680), (265, 1058944), (320, 876938), (424, 661840), (530, 529472), (640, 438469), (848, 330920), (1060, 264736), (1696, 165460), (2120, 132368), (3392, 82730), (4240, 66184), (6784, 41365), (8273, 33920), (8480, 33092), (16546, 16960)]