61391780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 134797824

約数和(自身を除く): 73406044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1193, 1660, 2386, 2573, 4772, 5146, 5965, 10292, 11930, 12865, 23860, 25730, 36983, 51460, 73966, 99019, 147932, 184915, 198038, 369830, 396076, 495095, 739660, 990190, 1980380, 3069589, 6139178, 12278356, 15347945, 30695890, 61391780]

約数ペア:

[(1, 61391780), (2, 30695890), (4, 15347945), (5, 12278356), (10, 6139178), (20, 3069589), (31, 1980380), (62, 990190), (83, 739660), (124, 495095), (155, 396076), (166, 369830), (310, 198038), (332, 184915), (415, 147932), (620, 99019), (830, 73966), (1193, 51460), (1660, 36983), (2386, 25730), (2573, 23860), (4772, 12865), (5146, 11930), (5965, 10292)]