15691180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 34128864

約数和(自身を除く): 18437684

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 131, 212, 226, 262, 265, 452, 524, 530, 565, 655, 1060, 1130, 1310, 2260, 2620, 5989, 6943, 11978, 13886, 14803, 23956, 27772, 29606, 29945, 34715, 59212, 59890, 69430, 74015, 119780, 138860, 148030, 296060, 784559, 1569118, 3138236, 3922795, 7845590, 15691180]

約数ペア:

[(1, 15691180), (2, 7845590), (4, 3922795), (5, 3138236), (10, 1569118), (20, 784559), (53, 296060), (106, 148030), (113, 138860), (131, 119780), (212, 74015), (226, 69430), (262, 59890), (265, 59212), (452, 34715), (524, 29945), (530, 29606), (565, 27772), (655, 23956), (1060, 14803), (1130, 13886), (1310, 11978), (2260, 6943), (2620, 5989)]