65778900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 144

約数和(自身を含む): 214652928

約数和(自身を除く): 148874028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 31, 33, 44, 50, 55, 60, 62, 66, 75, 93, 100, 110, 124, 132, 150, 155, 165, 186, 220, 275, 300, 310, 330, 341, 372, 465, 550, 620, 643, 660, 682, 775, 825, 930, 1023, 1100, 1286, 1364, 1550, 1650, 1705, 1860, 1929, 2046, 2325, 2572, 3100, 3215, 3300, 3410, 3858, 4092, 4650, 5115, 6430, 6820, 7073, 7716, 8525, 9300, 9645, 10230, 12860, 14146, 16075, 17050, 19290, 19933, 20460, 21219, 25575, 28292, 32150, 34100, 35365, 38580, 39866, 42438, 48225, 51150, 59799, 64300, 70730, 79732, 84876, 96450, 99665, 102300, 106095, 119598, 141460, 176825, 192900, 199330, 212190, 219263, 239196, 298995, 353650, 398660, 424380, 438526, 498325, 530475, 597990, 657789, 707300, 877052, 996650, 1060950, 1096315, 1195980, 1315578, 1494975, 1993300, 2121900, 2192630, 2631156, 2989950, 3288945, 4385260, 5481575, 5979900, 6577890, 10963150, 13155780, 16444725, 21926300, 32889450, 65778900]

約数ペア:

[(1, 65778900), (2, 32889450), (3, 21926300), (4, 16444725), (5, 13155780), (6, 10963150), (10, 6577890), (11, 5979900), (12, 5481575), (15, 4385260), (20, 3288945), (22, 2989950), (25, 2631156), (30, 2192630), (31, 2121900), (33, 1993300), (44, 1494975), (50, 1315578), (55, 1195980), (60, 1096315), (62, 1060950), (66, 996650), (75, 877052), (93, 707300), (100, 657789), (110, 597990), (124, 530475), (132, 498325), (150, 438526), (155, 424380), (165, 398660), (186, 353650), (220, 298995), (275, 239196), (300, 219263), (310, 212190), (330, 199330), (341, 192900), (372, 176825), (465, 141460), (550, 119598), (620, 106095), (643, 102300), (660, 99665), (682, 96450), (775, 84876), (825, 79732), (930, 70730), (1023, 64300), (1100, 59799), (1286, 51150), (1364, 48225), (1550, 42438), (1650, 39866), (1705, 38580), (1860, 35365), (1929, 34100), (2046, 32150), (2325, 28292), (2572, 25575), (3100, 21219), (3215, 20460), (3300, 19933), (3410, 19290), (3858, 17050), (4092, 16075), (4650, 14146), (5115, 12860), (6430, 10230), (6820, 9645), (7073, 9300), (7716, 8525)]