1875291280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1531}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 4452090048

約数和(自身を除く): 2576798768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 251, 305, 488, 502, 610, 976, 1004, 1220, 1255, 1531, 2008, 2440, 2510, 3062, 4016, 4880, 5020, 6124, 7655, 10040, 12248, 15310, 15311, 20080, 24496, 30620, 30622, 61240, 61244, 76555, 93391, 122480, 122488, 153110, 186782, 244976, 306220, 373564, 384281, 466955, 612440, 747128, 768562, 933910, 1224880, 1494256, 1537124, 1867820, 1921405, 3074248, 3735640, 3842810, 6148496, 7471280, 7685620, 15371240, 23441141, 30742480, 46882282, 93764564, 117205705, 187529128, 234411410, 375058256, 468822820, 937645640, 1875291280]

約数ペア:

[(1, 1875291280), (2, 937645640), (4, 468822820), (5, 375058256), (8, 234411410), (10, 187529128), (16, 117205705), (20, 93764564), (40, 46882282), (61, 30742480), (80, 23441141), (122, 15371240), (244, 7685620), (251, 7471280), (305, 6148496), (488, 3842810), (502, 3735640), (610, 3074248), (976, 1921405), (1004, 1867820), (1220, 1537124), (1255, 1494256), (1531, 1224880), (2008, 933910), (2440, 768562), (2510, 747128), (3062, 612440), (4016, 466955), (4880, 384281), (5020, 373564), (6124, 306220), (7655, 244976), (10040, 186782), (12248, 153110), (15310, 122488), (15311, 122480), (20080, 93391), (24496, 76555), (30620, 61244), (30622, 61240)]