621356688

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 1800926400

約数和(自身を除く): 1179569712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 139, 144, 148, 222, 278, 296, 333, 417, 444, 556, 592, 666, 834, 839, 888, 1112, 1251, 1332, 1668, 1678, 1776, 2224, 2502, 2517, 2664, 3336, 3356, 5004, 5034, 5143, 5328, 6672, 6712, 7551, 10008, 10068, 10286, 13424, 15102, 15429, 20016, 20136, 20572, 30204, 30858, 31043, 40272, 41144, 46287, 60408, 61716, 62086, 82288, 92574, 93129, 116621, 120816, 123432, 124172, 185148, 186258, 233242, 246864, 248344, 279387, 349863, 370296, 372516, 466484, 496688, 558774, 699726, 740592, 745032, 932968, 1049589, 1117548, 1399452, 1490064, 1865936, 2099178, 2235096, 2798904, 4198356, 4314977, 4470192, 5597808, 8396712, 8629954, 12944931, 16793424, 17259908, 25889862, 34519816, 38834793, 51779724, 69039632, 77669586, 103559448, 155339172, 207118896, 310678344, 621356688]

約数ペア:

[(1, 621356688), (2, 310678344), (3, 207118896), (4, 155339172), (6, 103559448), (8, 77669586), (9, 69039632), (12, 51779724), (16, 38834793), (18, 34519816), (24, 25889862), (36, 17259908), (37, 16793424), (48, 12944931), (72, 8629954), (74, 8396712), (111, 5597808), (139, 4470192), (144, 4314977), (148, 4198356), (222, 2798904), (278, 2235096), (296, 2099178), (333, 1865936), (417, 1490064), (444, 1399452), (556, 1117548), (592, 1049589), (666, 932968), (834, 745032), (839, 740592), (888, 699726), (1112, 558774), (1251, 496688), (1332, 466484), (1668, 372516), (1678, 370296), (1776, 349863), (2224, 279387), (2502, 248344), (2517, 246864), (2664, 233242), (3336, 186258), (3356, 185148), (5004, 124172), (5034, 123432), (5143, 120816), (5328, 116621), (6672, 93129), (6712, 92574), (7551, 82288), (10008, 62086), (10068, 61716), (10286, 60408), (13424, 46287), (15102, 41144), (15429, 40272), (20016, 31043), (20136, 30858), (20572, 30204)]