2171287890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2803}}^1$

素因数の和:2989

約数の個数: 128

約数和(自身を含む): 6137395200

約数和(自身を除く): 3966107310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 151, 171, 190, 270, 285, 302, 342, 453, 513, 570, 755, 855, 906, 1026, 1359, 1510, 1710, 2265, 2565, 2718, 2803, 2869, 4077, 4530, 5130, 5606, 5738, 6795, 8154, 8409, 8607, 13590, 14015, 14345, 16818, 17214, 20385, 25227, 25821, 28030, 28690, 40770, 42045, 43035, 50454, 51642, 53257, 75681, 77463, 84090, 86070, 106514, 126135, 129105, 151362, 154926, 159771, 252270, 258210, 266285, 319542, 378405, 387315, 423253, 479313, 532570, 756810, 774630, 798855, 846506, 958626, 1269759, 1437939, 1597710, 2116265, 2396565, 2539518, 2875878, 3809277, 4232530, 4793130, 6348795, 7189695, 7618554, 8041807, 11427831, 12697590, 14379390, 16083614, 19046385, 22855662, 24125421, 38092770, 40209035, 48250842, 57139155, 72376263, 80418070, 114278310, 120627105, 144752526, 217128789, 241254210, 361881315, 434257578, 723762630, 1085643945, 2171287890]

約数ペア:

[(1, 2171287890), (2, 1085643945), (3, 723762630), (5, 434257578), (6, 361881315), (9, 241254210), (10, 217128789), (15, 144752526), (18, 120627105), (19, 114278310), (27, 80418070), (30, 72376263), (38, 57139155), (45, 48250842), (54, 40209035), (57, 38092770), (90, 24125421), (95, 22855662), (114, 19046385), (135, 16083614), (151, 14379390), (171, 12697590), (190, 11427831), (270, 8041807), (285, 7618554), (302, 7189695), (342, 6348795), (453, 4793130), (513, 4232530), (570, 3809277), (755, 2875878), (855, 2539518), (906, 2396565), (1026, 2116265), (1359, 1597710), (1510, 1437939), (1710, 1269759), (2265, 958626), (2565, 846506), (2718, 798855), (2803, 774630), (2869, 756810), (4077, 532570), (4530, 479313), (5130, 423253), (5606, 387315), (5738, 378405), (6795, 319542), (8154, 266285), (8409, 258210), (8607, 252270), (13590, 159771), (14015, 154926), (14345, 151362), (16818, 129105), (17214, 126135), (20385, 106514), (25227, 86070), (25821, 84090), (28030, 77463), (28690, 75681), (40770, 53257), (42045, 51642), (43035, 50454)]