163950320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66109}}^1$

素因数の和:66153

約数の個数: 40

約数和(自身を含む): 393486720

約数和(自身を除く): 229536400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66109, 132218, 264436, 330545, 528872, 661090, 1057744, 1322180, 2049379, 2644360, 4098758, 5288720, 8197516, 10246895, 16395032, 20493790, 32790064, 40987580, 81975160, 163950320]

約数ペア:

[(1, 163950320), (2, 81975160), (4, 40987580), (5, 32790064), (8, 20493790), (10, 16395032), (16, 10246895), (20, 8197516), (31, 5288720), (40, 4098758), (62, 2644360), (80, 2049379), (124, 1322180), (155, 1057744), (248, 661090), (310, 528872), (496, 330545), (620, 264436), (1240, 132218), (2480, 66109)]