285879780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 144

約数和(自身を含む): 915445440

約数和(自身を除く): 629565660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 236, 243, 270, 295, 324, 354, 405, 486, 531, 540, 590, 708, 810, 885, 972, 997, 1062, 1180, 1215, 1593, 1620, 1770, 1994, 2124, 2430, 2655, 2991, 3186, 3540, 3988, 4779, 4860, 4985, 5310, 5982, 6372, 7965, 8973, 9558, 9970, 10620, 11964, 14337, 14955, 15930, 17946, 19116, 19940, 23895, 26919, 28674, 29910, 31860, 35892, 44865, 47790, 53838, 57348, 58823, 59820, 71685, 80757, 89730, 95580, 107676, 117646, 134595, 143370, 161514, 176469, 179460, 235292, 242271, 269190, 286740, 294115, 323028, 352938, 403785, 484542, 529407, 538380, 588230, 705876, 807570, 882345, 969084, 1058814, 1176460, 1211355, 1588221, 1615140, 1764690, 2117628, 2422710, 2647035, 3176442, 3529380, 4764663, 4845420, 5294070, 6352884, 7941105, 9529326, 10588140, 14293989, 15882210, 19058652, 23823315, 28587978, 31764420, 47646630, 57175956, 71469945, 95293260, 142939890, 285879780]

約数ペア:

[(1, 285879780), (2, 142939890), (3, 95293260), (4, 71469945), (5, 57175956), (6, 47646630), (9, 31764420), (10, 28587978), (12, 23823315), (15, 19058652), (18, 15882210), (20, 14293989), (27, 10588140), (30, 9529326), (36, 7941105), (45, 6352884), (54, 5294070), (59, 4845420), (60, 4764663), (81, 3529380), (90, 3176442), (108, 2647035), (118, 2422710), (135, 2117628), (162, 1764690), (177, 1615140), (180, 1588221), (236, 1211355), (243, 1176460), (270, 1058814), (295, 969084), (324, 882345), (354, 807570), (405, 705876), (486, 588230), (531, 538380), (540, 529407), (590, 484542), (708, 403785), (810, 352938), (885, 323028), (972, 294115), (997, 286740), (1062, 269190), (1180, 242271), (1215, 235292), (1593, 179460), (1620, 176469), (1770, 161514), (1994, 143370), (2124, 134595), (2430, 117646), (2655, 107676), (2991, 95580), (3186, 89730), (3540, 80757), (3988, 71685), (4779, 59820), (4860, 58823), (4985, 57348), (5310, 53838), (5982, 47790), (6372, 44865), (7965, 35892), (8973, 31860), (9558, 29910), (9970, 28674), (10620, 26919), (11964, 23895), (14337, 19940), (14955, 19116), (15930, 17946)]