66964920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 221840640

約数和(自身を除く): 154875720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 485, 523, 582, 660, 776, 970, 1046, 1067, 1164, 1320, 1455, 1569, 1940, 2092, 2134, 2328, 2615, 2910, 3138, 3201, 3880, 4184, 4268, 5230, 5335, 5753, 5820, 6276, 6402, 7845, 8536, 10460, 10670, 11506, 11640, 12552, 12804, 15690, 16005, 17259, 20920, 21340, 23012, 25608, 28765, 31380, 32010, 34518, 42680, 46024, 50731, 57530, 62760, 64020, 69036, 86295, 101462, 115060, 128040, 138072, 152193, 172590, 202924, 230120, 253655, 304386, 345180, 405848, 507310, 558041, 608772, 690360, 760965, 1014620, 1116082, 1217544, 1521930, 1674123, 2029240, 2232164, 2790205, 3043860, 3348246, 4464328, 5580410, 6087720, 6696492, 8370615, 11160820, 13392984, 16741230, 22321640, 33482460, 66964920]

約数ペア:

[(1, 66964920), (2, 33482460), (3, 22321640), (4, 16741230), (5, 13392984), (6, 11160820), (8, 8370615), (10, 6696492), (11, 6087720), (12, 5580410), (15, 4464328), (20, 3348246), (22, 3043860), (24, 2790205), (30, 2232164), (33, 2029240), (40, 1674123), (44, 1521930), (55, 1217544), (60, 1116082), (66, 1014620), (88, 760965), (97, 690360), (110, 608772), (120, 558041), (132, 507310), (165, 405848), (194, 345180), (220, 304386), (264, 253655), (291, 230120), (330, 202924), (388, 172590), (440, 152193), (485, 138072), (523, 128040), (582, 115060), (660, 101462), (776, 86295), (970, 69036), (1046, 64020), (1067, 62760), (1164, 57530), (1320, 50731), (1455, 46024), (1569, 42680), (1940, 34518), (2092, 32010), (2134, 31380), (2328, 28765), (2615, 25608), (2910, 23012), (3138, 21340), (3201, 20920), (3880, 17259), (4184, 16005), (4268, 15690), (5230, 12804), (5335, 12552), (5753, 11640), (5820, 11506), (6276, 10670), (6402, 10460), (7845, 8536)]