1979110980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20439

約数の個数: 216

約数和(自身を含む): 7618665600

約数和(自身を除く): 5639554620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1764, 1980, 2156, 2205, 2310, 2695, 2772, 2940, 3234, 3465, 4410, 4620, 4851, 5390, 6468, 6930, 8085, 8820, 9702, 10780, 13860, 16170, 19404, 20399, 24255, 32340, 40798, 48510, 61197, 81596, 97020, 101995, 122394, 142793, 183591, 203990, 224389, 244788, 285586, 305985, 367182, 407980, 428379, 448778, 571172, 611970, 673167, 713965, 734364, 856758, 897556, 917955, 999551, 1121945, 1223940, 1285137, 1346334, 1427930, 1570723, 1713516, 1835910, 1999102, 2019501, 2141895, 2243890, 2570274, 2692668, 2855860, 2998653, 3141446, 3365835, 3671820, 3998204, 4039002, 4283790, 4487780, 4712169, 4997755, 5140548, 5997306, 6282892, 6425685, 6731670, 7853615, 8078004, 8567580, 8995959, 9424338, 9995510, 10097505, 10995061, 11994612, 12851370, 13463340, 14136507, 14993265, 15707230, 17991918, 18848676, 19991020, 20195010, 21990122, 23560845, 25702740, 28273014, 29986530, 31414460, 32985183, 35983836, 40390020, 43980244, 44979795, 47121690, 54975305, 56546028, 59973060, 65970366, 70682535, 89959590, 94243380, 98955549, 109950610, 131940732, 141365070, 164925915, 179919180, 197911098, 219901220, 282730140, 329851830, 395822196, 494777745, 659703660, 989555490, 1979110980]

約数ペア:

[(1, 1979110980), (2, 989555490), (3, 659703660), (4, 494777745), (5, 395822196), (6, 329851830), (7, 282730140), (9, 219901220), (10, 197911098), (11, 179919180), (12, 164925915), (14, 141365070), (15, 131940732), (18, 109950610), (20, 98955549), (21, 94243380), (22, 89959590), (28, 70682535), (30, 65970366), (33, 59973060), (35, 56546028), (36, 54975305), (42, 47121690), (44, 44979795), (45, 43980244), (49, 40390020), (55, 35983836), (60, 32985183), (63, 31414460), (66, 29986530), (70, 28273014), (77, 25702740), (84, 23560845), (90, 21990122), (98, 20195010), (99, 19991020), (105, 18848676), (110, 17991918), (126, 15707230), (132, 14993265), (140, 14136507), (147, 13463340), (154, 12851370), (165, 11994612), (180, 10995061), (196, 10097505), (198, 9995510), (210, 9424338), (220, 8995959), (231, 8567580), (245, 8078004), (252, 7853615), (294, 6731670), (308, 6425685), (315, 6282892), (330, 5997306), (385, 5140548), (396, 4997755), (420, 4712169), (441, 4487780), (462, 4283790), (490, 4039002), (495, 3998204), (539, 3671820), (588, 3365835), (630, 3141446), (660, 2998653), (693, 2855860), (735, 2692668), (770, 2570274), (882, 2243890), (924, 2141895), (980, 2019501), (990, 1999102), (1078, 1835910), (1155, 1713516), (1260, 1570723), (1386, 1427930), (1470, 1346334), (1540, 1285137), (1617, 1223940), (1764, 1121945), (1980, 999551), (2156, 917955), (2205, 897556), (2310, 856758), (2695, 734364), (2772, 713965), (2940, 673167), (3234, 611970), (3465, 571172), (4410, 448778), (4620, 428379), (4851, 407980), (5390, 367182), (6468, 305985), (6930, 285586), (8085, 244788), (8820, 224389), (9702, 203990), (10780, 183591), (13860, 142793), (16170, 122394), (19404, 101995), (20399, 97020), (24255, 81596), (32340, 61197), (40798, 48510)]