15691280420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{38069}}^1$

素因数の和:38672

約数の個数: 48

約数和(自身を含む): 33903923760

約数和(自身を除く): 18212643340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 557, 740, 1114, 2228, 2785, 5570, 11140, 20609, 38069, 41218, 76138, 82436, 103045, 152276, 190345, 206090, 380690, 412180, 761380, 1408553, 2817106, 5634212, 7042765, 14085530, 21204433, 28171060, 42408866, 84817732, 106022165, 212044330, 424088660, 784564021, 1569128042, 3138256084, 3922820105, 7845640210, 15691280420]

約数ペア:

[(1, 15691280420), (2, 7845640210), (4, 3922820105), (5, 3138256084), (10, 1569128042), (20, 784564021), (37, 424088660), (74, 212044330), (148, 106022165), (185, 84817732), (370, 42408866), (557, 28171060), (740, 21204433), (1114, 14085530), (2228, 7042765), (2785, 5634212), (5570, 2817106), (11140, 1408553), (20609, 761380), (38069, 412180), (41218, 380690), (76138, 206090), (82436, 190345), (103045, 152276)]