61139980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 150087168

約数和(自身を除く): 88947188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 43, 44, 46, 55, 86, 92, 110, 115, 172, 215, 220, 230, 253, 281, 430, 460, 473, 506, 562, 860, 946, 989, 1012, 1124, 1265, 1405, 1892, 1978, 2365, 2530, 2810, 3091, 3956, 4730, 4945, 5060, 5620, 6182, 6463, 9460, 9890, 10879, 12083, 12364, 12926, 15455, 19780, 21758, 24166, 25852, 30910, 32315, 43516, 48332, 54395, 60415, 61820, 64630, 71093, 108790, 120830, 129260, 132913, 142186, 217580, 241660, 265826, 277909, 284372, 355465, 531652, 555818, 664565, 710930, 1111636, 1329130, 1389545, 1421860, 2658260, 2779090, 3056999, 5558180, 6113998, 12227996, 15284995, 30569990, 61139980]

約数ペア:

[(1, 61139980), (2, 30569990), (4, 15284995), (5, 12227996), (10, 6113998), (11, 5558180), (20, 3056999), (22, 2779090), (23, 2658260), (43, 1421860), (44, 1389545), (46, 1329130), (55, 1111636), (86, 710930), (92, 664565), (110, 555818), (115, 531652), (172, 355465), (215, 284372), (220, 277909), (230, 265826), (253, 241660), (281, 217580), (430, 142186), (460, 132913), (473, 129260), (506, 120830), (562, 108790), (860, 71093), (946, 64630), (989, 61820), (1012, 60415), (1124, 54395), (1265, 48332), (1405, 43516), (1892, 32315), (1978, 30910), (2365, 25852), (2530, 24166), (2810, 21758), (3091, 19780), (3956, 15455), (4730, 12926), (4945, 12364), (5060, 12083), (5620, 10879), (6182, 9890), (6463, 9460)]