77139920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 212647848

約数和(自身を除く): 135507928

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 613, 715, 880, 968, 1040, 1144, 1210, 1226, 1430, 1573, 1936, 2288, 2420, 2452, 2860, 3065, 3146, 4840, 4904, 5720, 6130, 6292, 6743, 7865, 7969, 9680, 9808, 11440, 12260, 12584, 13486, 15730, 15938, 24520, 25168, 26972, 31460, 31876, 33715, 39845, 49040, 53944, 62920, 63752, 67430, 74173, 79690, 87659, 107888, 125840, 127504, 134860, 148346, 159380, 175318, 269720, 296692, 318760, 350636, 370865, 438295, 539440, 593384, 637520, 701272, 741730, 876590, 964249, 1186768, 1402544, 1483460, 1753180, 1928498, 2966920, 3506360, 3856996, 4821245, 5933840, 7012720, 7713992, 9642490, 15427984, 19284980, 38569960, 77139920]

約数ペア:

[(1, 77139920), (2, 38569960), (4, 19284980), (5, 15427984), (8, 9642490), (10, 7713992), (11, 7012720), (13, 5933840), (16, 4821245), (20, 3856996), (22, 3506360), (26, 2966920), (40, 1928498), (44, 1753180), (52, 1483460), (55, 1402544), (65, 1186768), (80, 964249), (88, 876590), (104, 741730), (110, 701272), (121, 637520), (130, 593384), (143, 539440), (176, 438295), (208, 370865), (220, 350636), (242, 318760), (260, 296692), (286, 269720), (440, 175318), (484, 159380), (520, 148346), (572, 134860), (605, 127504), (613, 125840), (715, 107888), (880, 87659), (968, 79690), (1040, 74173), (1144, 67430), (1210, 63752), (1226, 62920), (1430, 53944), (1573, 49040), (1936, 39845), (2288, 33715), (2420, 31876), (2452, 31460), (2860, 26972), (3065, 25168), (3146, 24520), (4840, 15938), (4904, 15730), (5720, 13486), (6130, 12584), (6292, 12260), (6743, 11440), (7865, 9808), (7969, 9680)]