281190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 838656

約数和(自身を除く): 557466

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 103, 105, 130, 182, 195, 206, 210, 273, 309, 390, 455, 515, 546, 618, 721, 910, 1030, 1339, 1365, 1442, 1545, 2163, 2678, 2730, 3090, 3605, 4017, 4326, 6695, 7210, 8034, 9373, 10815, 13390, 18746, 20085, 21630, 28119, 40170, 46865, 56238, 93730, 140595, 281190]

約数ペア:

[(1, 281190), (2, 140595), (3, 93730), (5, 56238), (6, 46865), (7, 40170), (10, 28119), (13, 21630), (14, 20085), (15, 18746), (21, 13390), (26, 10815), (30, 9373), (35, 8034), (39, 7210), (42, 6695), (65, 4326), (70, 4017), (78, 3605), (91, 3090), (103, 2730), (105, 2678), (130, 2163), (182, 1545), (195, 1442), (206, 1365), (210, 1339), (273, 1030), (309, 910), (390, 721), (455, 618), (515, 546)]