90771570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 258785280

約数和(自身を除く): 168013710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 47, 54, 69, 90, 94, 115, 135, 138, 141, 207, 230, 235, 270, 282, 311, 345, 414, 423, 470, 621, 622, 690, 705, 846, 933, 1035, 1081, 1242, 1269, 1410, 1555, 1866, 2070, 2115, 2162, 2538, 2799, 3105, 3110, 3243, 4230, 4665, 5405, 5598, 6210, 6345, 6486, 7153, 8397, 9330, 9729, 10810, 12690, 13995, 14306, 14617, 16215, 16794, 19458, 21459, 27990, 29187, 29234, 32430, 35765, 41985, 42918, 43851, 48645, 58374, 64377, 71530, 73085, 83970, 87702, 97290, 107295, 128754, 131553, 145935, 146170, 193131, 214590, 219255, 263106, 291870, 321885, 336191, 386262, 394659, 438510, 643770, 657765, 672382, 789318, 965655, 1008573, 1315530, 1680955, 1931310, 1973295, 2017146, 3025719, 3361910, 3946590, 5042865, 6051438, 9077157, 10085730, 15128595, 18154314, 30257190, 45385785, 90771570]

約数ペア:

[(1, 90771570), (2, 45385785), (3, 30257190), (5, 18154314), (6, 15128595), (9, 10085730), (10, 9077157), (15, 6051438), (18, 5042865), (23, 3946590), (27, 3361910), (30, 3025719), (45, 2017146), (46, 1973295), (47, 1931310), (54, 1680955), (69, 1315530), (90, 1008573), (94, 965655), (115, 789318), (135, 672382), (138, 657765), (141, 643770), (207, 438510), (230, 394659), (235, 386262), (270, 336191), (282, 321885), (311, 291870), (345, 263106), (414, 219255), (423, 214590), (470, 193131), (621, 146170), (622, 145935), (690, 131553), (705, 128754), (846, 107295), (933, 97290), (1035, 87702), (1081, 83970), (1242, 73085), (1269, 71530), (1410, 64377), (1555, 58374), (1866, 48645), (2070, 43851), (2115, 42918), (2162, 41985), (2538, 35765), (2799, 32430), (3105, 29234), (3110, 29187), (3243, 27990), (4230, 21459), (4665, 19458), (5405, 16794), (5598, 16215), (6210, 14617), (6345, 14306), (6486, 13995), (7153, 12690), (8397, 10810), (9330, 9729)]