315080960

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3467}}^1$

素因数の和:3559

約数の個数: 72

約数和(自身を含む): 765567936

約数和(自身を除く): 450486976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2840, 3467, 4544, 5680, 6934, 9088, 11360, 13868, 17335, 18176, 22720, 27736, 34670, 45440, 55472, 69340, 90880, 110944, 138680, 221888, 246157, 277360, 443776, 492314, 554720, 887552, 984628, 1109440, 1230785, 1969256, 2218880, 2461570, 3938512, 4437760, 4923140, 7877024, 9846280, 15754048, 19692560, 31508096, 39385120, 63016192, 78770240, 157540480, 315080960]

約数ペア:

[(1, 315080960), (2, 157540480), (4, 78770240), (5, 63016192), (8, 39385120), (10, 31508096), (16, 19692560), (20, 15754048), (32, 9846280), (40, 7877024), (64, 4923140), (71, 4437760), (80, 3938512), (128, 2461570), (142, 2218880), (160, 1969256), (256, 1230785), (284, 1109440), (320, 984628), (355, 887552), (568, 554720), (640, 492314), (710, 443776), (1136, 277360), (1280, 246157), (1420, 221888), (2272, 138680), (2840, 110944), (3467, 90880), (4544, 69340), (5680, 55472), (6934, 45440), (9088, 34670), (11360, 27736), (13868, 22720), (17335, 18176)]