317495680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21569}}^1$

素因数の和:21611

約数の個数: 64

約数和(自身を含む): 792050400

約数和(自身を除く): 474554720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 21569, 43138, 86276, 107845, 172552, 215690, 345104, 431380, 496087, 690208, 862760, 992174, 1380416, 1725520, 1984348, 2480435, 2760832, 3451040, 3968696, 4960870, 6902080, 7937392, 9921740, 13804160, 15874784, 19843480, 31749568, 39686960, 63499136, 79373920, 158747840, 317495680]

約数ペア:

[(1, 317495680), (2, 158747840), (4, 79373920), (5, 63499136), (8, 39686960), (10, 31749568), (16, 19843480), (20, 15874784), (23, 13804160), (32, 9921740), (40, 7937392), (46, 6902080), (64, 4960870), (80, 3968696), (92, 3451040), (115, 2760832), (128, 2480435), (160, 1984348), (184, 1725520), (230, 1380416), (320, 992174), (368, 862760), (460, 690208), (640, 496087), (736, 431380), (920, 345104), (1472, 215690), (1840, 172552), (2944, 107845), (3680, 86276), (7360, 43138), (14720, 21569)]