2783458980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{593}}^1$

素因数の和:990

約数の個数: 144

約数和(自身を含む): 8581613040

約数和(自身を除く): 5798154060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 293, 356, 445, 534, 586, 593, 801, 879, 890, 1068, 1172, 1186, 1335, 1465, 1602, 1758, 1779, 1780, 2372, 2637, 2670, 2930, 2965, 3204, 3516, 3558, 4005, 4395, 5274, 5337, 5340, 5860, 5930, 7116, 8010, 8790, 8895, 10548, 10674, 11860, 13185, 16020, 17580, 17790, 21348, 26077, 26370, 26685, 35580, 52154, 52740, 52777, 53370, 78231, 104308, 105554, 106740, 130385, 156462, 158331, 173749, 211108, 234693, 260770, 263885, 312924, 316662, 347498, 391155, 469386, 474993, 521247, 521540, 527770, 633324, 694996, 782310, 791655, 868745, 938772, 949986, 1042494, 1055540, 1173465, 1563741, 1564620, 1583310, 1737490, 1899972, 2084988, 2346930, 2374965, 2606235, 3127482, 3166620, 3474980, 4693860, 4749930, 5212470, 6254964, 7818705, 9499860, 10424940, 15463661, 15637410, 30927322, 31274820, 46390983, 61854644, 77318305, 92781966, 139172949, 154636610, 185563932, 231954915, 278345898, 309273220, 463909830, 556691796, 695864745, 927819660, 1391729490, 2783458980]

約数ペア:

[(1, 2783458980), (2, 1391729490), (3, 927819660), (4, 695864745), (5, 556691796), (6, 463909830), (9, 309273220), (10, 278345898), (12, 231954915), (15, 185563932), (18, 154636610), (20, 139172949), (30, 92781966), (36, 77318305), (45, 61854644), (60, 46390983), (89, 31274820), (90, 30927322), (178, 15637410), (180, 15463661), (267, 10424940), (293, 9499860), (356, 7818705), (445, 6254964), (534, 5212470), (586, 4749930), (593, 4693860), (801, 3474980), (879, 3166620), (890, 3127482), (1068, 2606235), (1172, 2374965), (1186, 2346930), (1335, 2084988), (1465, 1899972), (1602, 1737490), (1758, 1583310), (1779, 1564620), (1780, 1563741), (2372, 1173465), (2637, 1055540), (2670, 1042494), (2930, 949986), (2965, 938772), (3204, 868745), (3516, 791655), (3558, 782310), (4005, 694996), (4395, 633324), (5274, 527770), (5337, 521540), (5340, 521247), (5860, 474993), (5930, 469386), (7116, 391155), (8010, 347498), (8790, 316662), (8895, 312924), (10548, 263885), (10674, 260770), (11860, 234693), (13185, 211108), (16020, 173749), (17580, 158331), (17790, 156462), (21348, 130385), (26077, 106740), (26370, 105554), (26685, 104308), (35580, 78231), (52154, 53370), (52740, 52777)]