51497820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:896

約数の個数: 144

約数和(自身を含む): 176117760

約数和(自身を除く): 124619940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 839, 930, 990, 1023, 1116, 1364, 1395, 1678, 1705, 1860, 1980, 2046, 2517, 2790, 3069, 3356, 3410, 4092, 4195, 5034, 5115, 5580, 6138, 6820, 7551, 8390, 9229, 10068, 10230, 12276, 12585, 15102, 15345, 16780, 18458, 20460, 25170, 26009, 27687, 30204, 30690, 36916, 37755, 46145, 50340, 52018, 55374, 61380, 75510, 78027, 83061, 92290, 104036, 110748, 130045, 138435, 151020, 156054, 166122, 184580, 234081, 260090, 276870, 286099, 312108, 332244, 390135, 415305, 468162, 520180, 553740, 572198, 780270, 830610, 858297, 936324, 1144396, 1170405, 1430495, 1560540, 1661220, 1716594, 2340810, 2574891, 2860990, 3433188, 4291485, 4681620, 5149782, 5721980, 8582970, 10299564, 12874455, 17165940, 25748910, 51497820]

約数ペア:

[(1, 51497820), (2, 25748910), (3, 17165940), (4, 12874455), (5, 10299564), (6, 8582970), (9, 5721980), (10, 5149782), (11, 4681620), (12, 4291485), (15, 3433188), (18, 2860990), (20, 2574891), (22, 2340810), (30, 1716594), (31, 1661220), (33, 1560540), (36, 1430495), (44, 1170405), (45, 1144396), (55, 936324), (60, 858297), (62, 830610), (66, 780270), (90, 572198), (93, 553740), (99, 520180), (110, 468162), (124, 415305), (132, 390135), (155, 332244), (165, 312108), (180, 286099), (186, 276870), (198, 260090), (220, 234081), (279, 184580), (310, 166122), (330, 156054), (341, 151020), (372, 138435), (396, 130045), (465, 110748), (495, 104036), (558, 92290), (620, 83061), (660, 78027), (682, 75510), (839, 61380), (930, 55374), (990, 52018), (1023, 50340), (1116, 46145), (1364, 37755), (1395, 36916), (1678, 30690), (1705, 30204), (1860, 27687), (1980, 26009), (2046, 25170), (2517, 20460), (2790, 18458), (3069, 16780), (3356, 15345), (3410, 15102), (4092, 12585), (4195, 12276), (5034, 10230), (5115, 10068), (5580, 9229), (6138, 8390), (6820, 7551)]