1555261812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 4320755712

約数和(自身を除く): 2765493900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 137, 156, 191, 234, 254, 274, 381, 382, 411, 468, 508, 548, 573, 762, 764, 822, 1143, 1146, 1233, 1524, 1644, 1651, 1719, 1781, 2286, 2292, 2466, 2483, 3302, 3438, 3562, 4572, 4932, 4953, 4966, 5343, 6604, 6876, 7124, 7449, 9906, 9932, 10686, 14859, 14898, 16029, 17399, 19812, 21372, 22347, 24257, 26167, 29718, 29796, 32058, 34798, 44694, 48514, 52197, 52334, 59436, 64116, 69596, 72771, 78501, 89388, 97028, 104394, 104668, 145542, 156591, 157002, 208788, 218313, 226187, 235503, 291084, 313182, 314004, 315341, 340171, 436626, 452374, 471006, 626364, 630682, 678561, 680342, 873252, 904748, 942012, 946023, 1020513, 1261364, 1357122, 1360684, 1892046, 2035683, 2041026, 2714244, 2838069, 3061539, 3323209, 3784092, 4071366, 4082052, 5676138, 6123078, 6646418, 8142732, 9969627, 11352276, 12246156, 13292836, 19939254, 29908881, 39878508, 43201717, 59817762, 86403434, 119635524, 129605151, 172806868, 259210302, 388815453, 518420604, 777630906, 1555261812]

約数ペア:

[(1, 1555261812), (2, 777630906), (3, 518420604), (4, 388815453), (6, 259210302), (9, 172806868), (12, 129605151), (13, 119635524), (18, 86403434), (26, 59817762), (36, 43201717), (39, 39878508), (52, 29908881), (78, 19939254), (117, 13292836), (127, 12246156), (137, 11352276), (156, 9969627), (191, 8142732), (234, 6646418), (254, 6123078), (274, 5676138), (381, 4082052), (382, 4071366), (411, 3784092), (468, 3323209), (508, 3061539), (548, 2838069), (573, 2714244), (762, 2041026), (764, 2035683), (822, 1892046), (1143, 1360684), (1146, 1357122), (1233, 1261364), (1524, 1020513), (1644, 946023), (1651, 942012), (1719, 904748), (1781, 873252), (2286, 680342), (2292, 678561), (2466, 630682), (2483, 626364), (3302, 471006), (3438, 452374), (3562, 436626), (4572, 340171), (4932, 315341), (4953, 314004), (4966, 313182), (5343, 291084), (6604, 235503), (6876, 226187), (7124, 218313), (7449, 208788), (9906, 157002), (9932, 156591), (10686, 145542), (14859, 104668), (14898, 104394), (16029, 97028), (17399, 89388), (19812, 78501), (21372, 72771), (22347, 69596), (24257, 64116), (26167, 59436), (29718, 52334), (29796, 52197), (32058, 48514), (34798, 44694)]