1981461240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{500369}}^1$

素因数の和:500397

約数の個数: 96

約数和(自身を含む): 7025194800

約数和(自身を除く): 5043733560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 500369, 1000738, 1501107, 2001476, 2501845, 3002214, 4002952, 4503321, 5003690, 5504059, 6004428, 7505535, 9006642, 10007380, 11008118, 12008856, 15011070, 16512177, 18013284, 20014760, 22016236, 22516605, 27520295, 30022140, 33024354, 36026568, 44032472, 45033210, 49536531, 55040590, 60044280, 66048708, 82560885, 90066420, 99073062, 110081180, 132097416, 165121770, 180132840, 198146124, 220162360, 247682655, 330243540, 396292248, 495365310, 660487080, 990730620, 1981461240]

約数ペア:

[(1, 1981461240), (2, 990730620), (3, 660487080), (4, 495365310), (5, 396292248), (6, 330243540), (8, 247682655), (9, 220162360), (10, 198146124), (11, 180132840), (12, 165121770), (15, 132097416), (18, 110081180), (20, 99073062), (22, 90066420), (24, 82560885), (30, 66048708), (33, 60044280), (36, 55040590), (40, 49536531), (44, 45033210), (45, 44032472), (55, 36026568), (60, 33024354), (66, 30022140), (72, 27520295), (88, 22516605), (90, 22016236), (99, 20014760), (110, 18013284), (120, 16512177), (132, 15011070), (165, 12008856), (180, 11008118), (198, 10007380), (220, 9006642), (264, 7505535), (330, 6004428), (360, 5504059), (396, 5003690), (440, 4503321), (495, 4002952), (660, 3002214), (792, 2501845), (990, 2001476), (1320, 1501107), (1980, 1000738), (3960, 500369)]