30561940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 70237440

約数和(自身を除く): 39675500

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 79, 92, 115, 116, 145, 158, 230, 290, 316, 395, 460, 580, 667, 790, 841, 1334, 1580, 1682, 1817, 2291, 2668, 3335, 3364, 3634, 4205, 4582, 6670, 7268, 8410, 9085, 9164, 11455, 13340, 16820, 18170, 19343, 22910, 36340, 38686, 45820, 52693, 66439, 77372, 96715, 105386, 132878, 193430, 210772, 263465, 265756, 332195, 386860, 526930, 664390, 1053860, 1328780, 1528097, 3056194, 6112388, 7640485, 15280970, 30561940]

約数ペア:

[(1, 30561940), (2, 15280970), (4, 7640485), (5, 6112388), (10, 3056194), (20, 1528097), (23, 1328780), (29, 1053860), (46, 664390), (58, 526930), (79, 386860), (92, 332195), (115, 265756), (116, 263465), (145, 210772), (158, 193430), (230, 132878), (290, 105386), (316, 96715), (395, 77372), (460, 66439), (580, 52693), (667, 45820), (790, 38686), (841, 36340), (1334, 22910), (1580, 19343), (1682, 18170), (1817, 16820), (2291, 13340), (2668, 11455), (3335, 9164), (3364, 9085), (3634, 8410), (4205, 7268), (4582, 6670)]