281385480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 868734720

約数和(自身を除く): 587349240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 151, 159, 212, 265, 293, 302, 318, 424, 453, 530, 586, 604, 636, 755, 795, 879, 906, 1060, 1172, 1208, 1272, 1465, 1510, 1590, 1758, 1812, 2120, 2265, 2344, 2930, 3020, 3180, 3516, 3624, 4395, 4530, 5860, 6040, 6360, 7032, 8003, 8790, 9060, 11720, 15529, 16006, 17580, 18120, 24009, 31058, 32012, 35160, 40015, 44243, 46587, 48018, 62116, 64024, 77645, 80030, 88486, 93174, 96036, 120045, 124232, 132729, 155290, 160060, 176972, 186348, 192072, 221215, 232935, 240090, 265458, 310580, 320120, 353944, 372696, 442430, 465870, 480180, 530916, 621160, 663645, 884860, 931740, 960360, 1061832, 1327290, 1769720, 1863480, 2344879, 2654580, 4689758, 5309160, 7034637, 9379516, 11724395, 14069274, 18759032, 23448790, 28138548, 35173185, 46897580, 56277096, 70346370, 93795160, 140692740, 281385480]

約数ペア:

[(1, 281385480), (2, 140692740), (3, 93795160), (4, 70346370), (5, 56277096), (6, 46897580), (8, 35173185), (10, 28138548), (12, 23448790), (15, 18759032), (20, 14069274), (24, 11724395), (30, 9379516), (40, 7034637), (53, 5309160), (60, 4689758), (106, 2654580), (120, 2344879), (151, 1863480), (159, 1769720), (212, 1327290), (265, 1061832), (293, 960360), (302, 931740), (318, 884860), (424, 663645), (453, 621160), (530, 530916), (586, 480180), (604, 465870), (636, 442430), (755, 372696), (795, 353944), (879, 320120), (906, 310580), (1060, 265458), (1172, 240090), (1208, 232935), (1272, 221215), (1465, 192072), (1510, 186348), (1590, 176972), (1758, 160060), (1812, 155290), (2120, 132729), (2265, 124232), (2344, 120045), (2930, 96036), (3020, 93174), (3180, 88486), (3516, 80030), (3624, 77645), (4395, 64024), (4530, 62116), (5860, 48018), (6040, 46587), (6360, 44243), (7032, 40015), (8003, 35160), (8790, 32012), (9060, 31058), (11720, 24009), (15529, 18120), (16006, 17580)]