8021988420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{31481}}^1$

素因数の和:31661

約数の個数: 96

約数和(自身を含む): 23356118016

約数和(自身を除く): 15334129596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 137, 155, 186, 274, 310, 372, 411, 465, 548, 620, 685, 822, 930, 1370, 1644, 1860, 2055, 2740, 4110, 4247, 8220, 8494, 12741, 16988, 21235, 25482, 31481, 42470, 50964, 62962, 63705, 84940, 94443, 125924, 127410, 157405, 188886, 254820, 314810, 377772, 472215, 629620, 944430, 975911, 1888860, 1951822, 2927733, 3903644, 4312897, 4879555, 5855466, 8625794, 9759110, 11710932, 12938691, 14638665, 17251588, 19518220, 21564485, 25877382, 29277330, 43128970, 51754764, 58554660, 64693455, 86257940, 129386910, 133699807, 258773820, 267399614, 401099421, 534799228, 668499035, 802198842, 1336998070, 1604397684, 2005497105, 2673996140, 4010994210, 8021988420]

約数ペア:

[(1, 8021988420), (2, 4010994210), (3, 2673996140), (4, 2005497105), (5, 1604397684), (6, 1336998070), (10, 802198842), (12, 668499035), (15, 534799228), (20, 401099421), (30, 267399614), (31, 258773820), (60, 133699807), (62, 129386910), (93, 86257940), (124, 64693455), (137, 58554660), (155, 51754764), (186, 43128970), (274, 29277330), (310, 25877382), (372, 21564485), (411, 19518220), (465, 17251588), (548, 14638665), (620, 12938691), (685, 11710932), (822, 9759110), (930, 8625794), (1370, 5855466), (1644, 4879555), (1860, 4312897), (2055, 3903644), (2740, 2927733), (4110, 1951822), (4247, 1888860), (8220, 975911), (8494, 944430), (12741, 629620), (16988, 472215), (21235, 377772), (25482, 314810), (31481, 254820), (42470, 188886), (50964, 157405), (62962, 127410), (63705, 125924), (84940, 94443)]