72866220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173491}}^1$

素因数の和:173510

約数の個数: 48

約数和(自身を含む): 233173248

約数和(自身を除く): 160307028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 173491, 346982, 520473, 693964, 867455, 1040946, 1214437, 1734910, 2081892, 2428874, 2602365, 3469820, 3643311, 4857748, 5204730, 6072185, 7286622, 10409460, 12144370, 14573244, 18216555, 24288740, 36433110, 72866220]

約数ペア:

[(1, 72866220), (2, 36433110), (3, 24288740), (4, 18216555), (5, 14573244), (6, 12144370), (7, 10409460), (10, 7286622), (12, 6072185), (14, 5204730), (15, 4857748), (20, 3643311), (21, 3469820), (28, 2602365), (30, 2428874), (35, 2081892), (42, 1734910), (60, 1214437), (70, 1040946), (84, 867455), (105, 693964), (140, 520473), (210, 346982), (420, 173491)]