1720810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 3999744

約数和(自身を除く): 2278934

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 61, 62, 65, 70, 91, 122, 130, 155, 182, 217, 305, 310, 403, 427, 434, 455, 610, 793, 806, 854, 910, 1085, 1586, 1891, 2015, 2135, 2170, 2821, 3782, 3965, 4030, 4270, 5551, 5642, 7930, 9455, 11102, 13237, 14105, 18910, 24583, 26474, 27755, 28210, 49166, 55510, 66185, 122915, 132370, 172081, 245830, 344162, 860405, 1720810]

約数ペア:

[(1, 1720810), (2, 860405), (5, 344162), (7, 245830), (10, 172081), (13, 132370), (14, 122915), (26, 66185), (31, 55510), (35, 49166), (61, 28210), (62, 27755), (65, 26474), (70, 24583), (91, 18910), (122, 14105), (130, 13237), (155, 11102), (182, 9455), (217, 7930), (305, 5642), (310, 5551), (403, 4270), (427, 4030), (434, 3965), (455, 3782), (610, 2821), (793, 2170), (806, 2135), (854, 2015), (910, 1891), (1085, 1586)]