66893820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 222048288

約数和(自身を除く): 155154468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 373, 420, 427, 490, 588, 610, 732, 735, 746, 854, 915, 980, 1119, 1220, 1281, 1470, 1492, 1708, 1830, 1865, 2135, 2238, 2562, 2611, 2940, 2989, 3660, 3730, 4270, 4476, 5124, 5222, 5595, 5978, 6405, 7460, 7833, 8540, 8967, 10444, 11190, 11956, 12810, 13055, 14945, 15666, 17934, 18277, 22380, 22753, 25620, 26110, 29890, 31332, 35868, 36554, 39165, 44835, 45506, 52220, 54831, 59780, 68259, 73108, 78330, 89670, 91012, 91385, 109662, 113765, 136518, 156660, 159271, 179340, 182770, 219324, 227530, 273036, 274155, 318542, 341295, 365540, 455060, 477813, 548310, 637084, 682590, 796355, 955626, 1096620, 1114897, 1365180, 1592710, 1911252, 2229794, 2389065, 3185420, 3344691, 4459588, 4778130, 5574485, 6689382, 9556260, 11148970, 13378764, 16723455, 22297940, 33446910, 66893820]

約数ペア:

[(1, 66893820), (2, 33446910), (3, 22297940), (4, 16723455), (5, 13378764), (6, 11148970), (7, 9556260), (10, 6689382), (12, 5574485), (14, 4778130), (15, 4459588), (20, 3344691), (21, 3185420), (28, 2389065), (30, 2229794), (35, 1911252), (42, 1592710), (49, 1365180), (60, 1114897), (61, 1096620), (70, 955626), (84, 796355), (98, 682590), (105, 637084), (122, 548310), (140, 477813), (147, 455060), (183, 365540), (196, 341295), (210, 318542), (244, 274155), (245, 273036), (294, 227530), (305, 219324), (366, 182770), (373, 179340), (420, 159271), (427, 156660), (490, 136518), (588, 113765), (610, 109662), (732, 91385), (735, 91012), (746, 89670), (854, 78330), (915, 73108), (980, 68259), (1119, 59780), (1220, 54831), (1281, 52220), (1470, 45506), (1492, 44835), (1708, 39165), (1830, 36554), (1865, 35868), (2135, 31332), (2238, 29890), (2562, 26110), (2611, 25620), (2940, 22753), (2989, 22380), (3660, 18277), (3730, 17934), (4270, 15666), (4476, 14945), (5124, 13055), (5222, 12810), (5595, 11956), (5978, 11190), (6405, 10444), (7460, 8967), (7833, 8540)]