72438320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29209}}^1$

素因数の和:29253

約数の個数: 40

約数和(自身を含む): 173857920

約数和(自身を除く): 101419600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29209, 58418, 116836, 146045, 233672, 292090, 467344, 584180, 905479, 1168360, 1810958, 2336720, 3621916, 4527395, 7243832, 9054790, 14487664, 18109580, 36219160, 72438320]

約数ペア:

[(1, 72438320), (2, 36219160), (4, 18109580), (5, 14487664), (8, 9054790), (10, 7243832), (16, 4527395), (20, 3621916), (31, 2336720), (40, 1810958), (62, 1168360), (80, 905479), (124, 584180), (155, 467344), (248, 292090), (310, 233672), (496, 146045), (620, 116836), (1240, 58418), (2480, 29209)]