161984220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3907}}^1$

素因数の和:4610

約数の個数: 48

約数和(自身を含む): 454328448

約数和(自身を除く): 292344228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 1382, 2073, 2764, 3455, 3907, 4146, 6910, 7814, 8292, 10365, 11721, 13820, 15628, 19535, 20730, 23442, 39070, 41460, 46884, 58605, 78140, 117210, 234420, 2699737, 5399474, 8099211, 10798948, 13498685, 16198422, 26997370, 32396844, 40496055, 53994740, 80992110, 161984220]

約数ペア:

[(1, 161984220), (2, 80992110), (3, 53994740), (4, 40496055), (5, 32396844), (6, 26997370), (10, 16198422), (12, 13498685), (15, 10798948), (20, 8099211), (30, 5399474), (60, 2699737), (691, 234420), (1382, 117210), (2073, 78140), (2764, 58605), (3455, 46884), (3907, 41460), (4146, 39070), (6910, 23442), (7814, 20730), (8292, 19535), (10365, 15628), (11721, 13820)]