30857640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 102453120

約数和(自身を除く): 71595480

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, 241, 264, 291, 330, 388, 440, 482, 485, 582, 660, 723, 776, 964, 970, 1067, 1164, 1205, 1320, 1446, 1455, 1928, 1940, 2134, 2328, 2410, 2651, 2892, 2910, 3201, 3615, 3880, 4268, 4820, 5302, 5335, 5784, 5820, 6402, 7230, 7953, 8536, 9640, 10604, 10670, 11640, 12804, 13255, 14460, 15906, 16005, 21208, 21340, 23377, 25608, 26510, 28920, 31812, 32010, 39765, 42680, 46754, 53020, 63624, 64020, 70131, 79530, 93508, 106040, 116885, 128040, 140262, 159060, 187016, 233770, 257147, 280524, 318120, 350655, 467540, 514294, 561048, 701310, 771441, 935080, 1028588, 1285735, 1402620, 1542882, 2057176, 2571470, 2805240, 3085764, 3857205, 5142940, 6171528, 7714410, 10285880, 15428820, 30857640]

約数ペア:

[(1, 30857640), (2, 15428820), (3, 10285880), (4, 7714410), (5, 6171528), (6, 5142940), (8, 3857205), (10, 3085764), (11, 2805240), (12, 2571470), (15, 2057176), (20, 1542882), (22, 1402620), (24, 1285735), (30, 1028588), (33, 935080), (40, 771441), (44, 701310), (55, 561048), (60, 514294), (66, 467540), (88, 350655), (97, 318120), (110, 280524), (120, 257147), (132, 233770), (165, 187016), (194, 159060), (220, 140262), (241, 128040), (264, 116885), (291, 106040), (330, 93508), (388, 79530), (440, 70131), (482, 64020), (485, 63624), (582, 53020), (660, 46754), (723, 42680), (776, 39765), (964, 32010), (970, 31812), (1067, 28920), (1164, 26510), (1205, 25608), (1320, 23377), (1446, 21340), (1455, 21208), (1928, 16005), (1940, 15906), (2134, 14460), (2328, 13255), (2410, 12804), (2651, 11640), (2892, 10670), (2910, 10604), (3201, 9640), (3615, 8536), (3880, 7953), (4268, 7230), (4820, 6402), (5302, 5820), (5335, 5784)]