255999480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193939}}^1$

素因数の和:193964

約数の個数: 64

約数和(自身を含む): 837820800

約数和(自身を除く): 581821320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 193939, 387878, 581817, 775756, 969695, 1163634, 1551512, 1939390, 2133329, 2327268, 2909085, 3878780, 4266658, 4654536, 5818170, 6399987, 7757560, 8533316, 10666645, 11636340, 12799974, 17066632, 21333290, 23272680, 25599948, 31999935, 42666580, 51199896, 63999870, 85333160, 127999740, 255999480]

約数ペア:

[(1, 255999480), (2, 127999740), (3, 85333160), (4, 63999870), (5, 51199896), (6, 42666580), (8, 31999935), (10, 25599948), (11, 23272680), (12, 21333290), (15, 17066632), (20, 12799974), (22, 11636340), (24, 10666645), (30, 8533316), (33, 7757560), (40, 6399987), (44, 5818170), (55, 4654536), (60, 4266658), (66, 3878780), (88, 2909085), (110, 2327268), (120, 2133329), (132, 1939390), (165, 1551512), (220, 1163634), (264, 969695), (330, 775756), (440, 581817), (660, 387878), (1320, 193939)]