66947580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 241920000

約数和(自身を除く): 174972420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 89, 90, 105, 108, 126, 135, 140, 178, 180, 189, 199, 210, 252, 267, 270, 315, 356, 378, 398, 420, 445, 534, 540, 597, 623, 630, 756, 796, 801, 890, 945, 995, 1068, 1194, 1246, 1260, 1335, 1393, 1602, 1780, 1791, 1869, 1890, 1990, 2388, 2403, 2492, 2670, 2786, 2985, 3115, 3204, 3582, 3738, 3780, 3980, 4005, 4179, 4806, 5340, 5373, 5572, 5607, 5970, 6230, 6965, 7164, 7476, 8010, 8358, 8955, 9345, 9612, 10746, 11214, 11940, 12015, 12460, 12537, 13930, 16020, 16716, 16821, 17711, 17910, 18690, 20895, 21492, 22428, 24030, 25074, 26865, 27860, 28035, 33642, 35422, 35820, 37380, 37611, 41790, 48060, 50148, 53133, 53730, 56070, 62685, 67284, 70844, 75222, 83580, 84105, 88555, 106266, 107460, 112140, 123977, 125370, 150444, 159399, 168210, 177110, 188055, 212532, 247954, 250740, 265665, 318798, 336420, 354220, 371931, 376110, 478197, 495908, 531330, 619885, 637596, 743862, 752220, 796995, 956394, 1062660, 1115793, 1239770, 1487724, 1593990, 1859655, 1912788, 2231586, 2390985, 2479540, 3187980, 3347379, 3719310, 4463172, 4781970, 5578965, 6694758, 7438620, 9563940, 11157930, 13389516, 16736895, 22315860, 33473790, 66947580]

約数ペア:

[(1, 66947580), (2, 33473790), (3, 22315860), (4, 16736895), (5, 13389516), (6, 11157930), (7, 9563940), (9, 7438620), (10, 6694758), (12, 5578965), (14, 4781970), (15, 4463172), (18, 3719310), (20, 3347379), (21, 3187980), (27, 2479540), (28, 2390985), (30, 2231586), (35, 1912788), (36, 1859655), (42, 1593990), (45, 1487724), (54, 1239770), (60, 1115793), (63, 1062660), (70, 956394), (84, 796995), (89, 752220), (90, 743862), (105, 637596), (108, 619885), (126, 531330), (135, 495908), (140, 478197), (178, 376110), (180, 371931), (189, 354220), (199, 336420), (210, 318798), (252, 265665), (267, 250740), (270, 247954), (315, 212532), (356, 188055), (378, 177110), (398, 168210), (420, 159399), (445, 150444), (534, 125370), (540, 123977), (597, 112140), (623, 107460), (630, 106266), (756, 88555), (796, 84105), (801, 83580), (890, 75222), (945, 70844), (995, 67284), (1068, 62685), (1194, 56070), (1246, 53730), (1260, 53133), (1335, 50148), (1393, 48060), (1602, 41790), (1780, 37611), (1791, 37380), (1869, 35820), (1890, 35422), (1990, 33642), (2388, 28035), (2403, 27860), (2492, 26865), (2670, 25074), (2786, 24030), (2985, 22428), (3115, 21492), (3204, 20895), (3582, 18690), (3738, 17910), (3780, 17711), (3980, 16821), (4005, 16716), (4179, 16020), (4806, 13930), (5340, 12537), (5373, 12460), (5572, 12015), (5607, 11940), (5970, 11214), (6230, 10746), (6965, 9612), (7164, 9345), (7476, 8955), (8010, 8358)]