27775966520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{1607}}^1$

素因数の和:1965

約数の個数: 128

約数和(自身を含む): 66020106240

約数和(自身を除く): 38244139720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 263, 265, 310, 424, 526, 530, 620, 1052, 1060, 1240, 1315, 1607, 1643, 2104, 2120, 2630, 3214, 3286, 5260, 6428, 6572, 8035, 8153, 8215, 10520, 12856, 13144, 13939, 16070, 16306, 16430, 27878, 32140, 32612, 32860, 40765, 49817, 55756, 64280, 65224, 65720, 69695, 81530, 85171, 99634, 111512, 139390, 163060, 170342, 199268, 249085, 278780, 326120, 340684, 398536, 422641, 425855, 432109, 498170, 557560, 681368, 845282, 851710, 864218, 996340, 1690564, 1703420, 1728436, 1992680, 2113205, 2160545, 2640301, 3381128, 3406840, 3456872, 4226410, 4321090, 5280602, 8452820, 8642180, 10561204, 13101871, 13201505, 16905640, 17284360, 21122408, 22399973, 26203742, 26403010, 44799946, 52407484, 52806020, 65509355, 89599892, 104814968, 105612040, 111999865, 131018710, 179199784, 223999730, 262037420, 447999460, 524074840, 694399163, 895998920, 1388798326, 2777596652, 3471995815, 5555193304, 6943991630, 13887983260, 27775966520]

約数ペア:

[(1, 27775966520), (2, 13887983260), (4, 6943991630), (5, 5555193304), (8, 3471995815), (10, 2777596652), (20, 1388798326), (31, 895998920), (40, 694399163), (53, 524074840), (62, 447999460), (106, 262037420), (124, 223999730), (155, 179199784), (212, 131018710), (248, 111999865), (263, 105612040), (265, 104814968), (310, 89599892), (424, 65509355), (526, 52806020), (530, 52407484), (620, 44799946), (1052, 26403010), (1060, 26203742), (1240, 22399973), (1315, 21122408), (1607, 17284360), (1643, 16905640), (2104, 13201505), (2120, 13101871), (2630, 10561204), (3214, 8642180), (3286, 8452820), (5260, 5280602), (6428, 4321090), (6572, 4226410), (8035, 3456872), (8153, 3406840), (8215, 3381128), (10520, 2640301), (12856, 2160545), (13144, 2113205), (13939, 1992680), (16070, 1728436), (16306, 1703420), (16430, 1690564), (27878, 996340), (32140, 864218), (32612, 851710), (32860, 845282), (40765, 681368), (49817, 557560), (55756, 498170), (64280, 432109), (65224, 425855), (65720, 422641), (69695, 398536), (81530, 340684), (85171, 326120), (99634, 278780), (111512, 249085), (139390, 199268), (163060, 170342)]