158703320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 364335840

約数和(自身を除く): 205632520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 163, 202, 241, 326, 404, 482, 505, 652, 808, 815, 964, 1010, 1205, 1304, 1630, 1928, 2020, 2410, 3260, 4040, 4820, 6520, 9640, 16463, 24341, 32926, 39283, 48682, 65852, 78566, 82315, 97364, 121705, 131704, 157132, 164630, 194728, 196415, 243410, 314264, 329260, 392830, 486820, 658520, 785660, 973640, 1571320, 3967583, 7935166, 15870332, 19837915, 31740664, 39675830, 79351660, 158703320]

約数ペア:

[(1, 158703320), (2, 79351660), (4, 39675830), (5, 31740664), (8, 19837915), (10, 15870332), (20, 7935166), (40, 3967583), (101, 1571320), (163, 973640), (202, 785660), (241, 658520), (326, 486820), (404, 392830), (482, 329260), (505, 314264), (652, 243410), (808, 196415), (815, 194728), (964, 164630), (1010, 157132), (1205, 131704), (1304, 121705), (1630, 97364), (1928, 82315), (2020, 78566), (2410, 65852), (3260, 48682), (4040, 39283), (4820, 32926), (6520, 24341), (9640, 16463)]