289270320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1205293}}^1$

素因数の和:1205309

約数の個数: 40

約数和(自身を含む): 896738736

約数和(自身を除く): 607468416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1205293, 2410586, 3615879, 4821172, 6026465, 7231758, 9642344, 12052930, 14463516, 18079395, 19284688, 24105860, 28927032, 36158790, 48211720, 57854064, 72317580, 96423440, 144635160, 289270320]

約数ペア:

[(1, 289270320), (2, 144635160), (3, 96423440), (4, 72317580), (5, 57854064), (6, 48211720), (8, 36158790), (10, 28927032), (12, 24105860), (15, 19284688), (16, 18079395), (20, 14463516), (24, 12052930), (30, 9642344), (40, 7231758), (48, 6026465), (60, 4821172), (80, 3615879), (120, 2410586), (240, 1205293)]