138143440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 338121216

約数和(自身を除く): 199977776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1051, 1060, 1240, 1643, 2102, 2120, 2480, 3286, 4204, 4240, 5255, 6572, 8215, 8408, 10510, 13144, 16430, 16816, 21020, 26288, 32581, 32860, 42040, 55703, 65162, 65720, 84080, 111406, 130324, 131440, 162905, 222812, 260648, 278515, 325810, 445624, 521296, 557030, 651620, 891248, 1114060, 1303240, 1726793, 2228120, 2606480, 3453586, 4456240, 6907172, 8633965, 13814344, 17267930, 27628688, 34535860, 69071720, 138143440]

約数ペア:

[(1, 138143440), (2, 69071720), (4, 34535860), (5, 27628688), (8, 17267930), (10, 13814344), (16, 8633965), (20, 6907172), (31, 4456240), (40, 3453586), (53, 2606480), (62, 2228120), (80, 1726793), (106, 1303240), (124, 1114060), (155, 891248), (212, 651620), (248, 557030), (265, 521296), (310, 445624), (424, 325810), (496, 278515), (530, 260648), (620, 222812), (848, 162905), (1051, 131440), (1060, 130324), (1240, 111406), (1643, 84080), (2102, 65720), (2120, 65162), (2480, 55703), (3286, 42040), (4204, 32860), (4240, 32581), (5255, 26288), (6572, 21020), (8215, 16816), (8408, 16430), (10510, 13144)]