61800920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 147420000

約数和(自身を除く): 85619080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 233, 349, 380, 466, 698, 760, 932, 1165, 1396, 1745, 1864, 2330, 2792, 3490, 4427, 4660, 6631, 6980, 8854, 9320, 13262, 13960, 17708, 22135, 26524, 33155, 35416, 44270, 53048, 66310, 81317, 88540, 132620, 162634, 177080, 265240, 325268, 406585, 650536, 813170, 1545023, 1626340, 3090046, 3252680, 6180092, 7725115, 12360184, 15450230, 30900460, 61800920]

約数ペア:

[(1, 61800920), (2, 30900460), (4, 15450230), (5, 12360184), (8, 7725115), (10, 6180092), (19, 3252680), (20, 3090046), (38, 1626340), (40, 1545023), (76, 813170), (95, 650536), (152, 406585), (190, 325268), (233, 265240), (349, 177080), (380, 162634), (466, 132620), (698, 88540), (760, 81317), (932, 66310), (1165, 53048), (1396, 44270), (1745, 35416), (1864, 33155), (2330, 26524), (2792, 22135), (3490, 17708), (4427, 13960), (4660, 13262), (6631, 9320), (6980, 8854)]