81397800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4144

約数の個数: 144

約数和(自身を含む): 298284480

約数和(自身を除く): 216886680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1100, 1320, 1650, 1800, 1980, 2200, 2475, 3300, 3960, 4111, 4950, 6600, 8222, 9900, 12333, 16444, 19800, 20555, 24666, 32888, 36999, 41110, 45221, 49332, 61665, 73998, 82220, 90442, 98664, 102775, 123330, 135663, 147996, 164440, 180884, 184995, 205550, 226105, 246660, 271326, 295992, 308325, 361768, 369990, 406989, 411100, 452210, 493320, 542652, 616650, 678315, 739980, 813978, 822200, 904420, 924975, 1085304, 1130525, 1233300, 1356630, 1479960, 1627956, 1808840, 1849950, 2034945, 2261050, 2466600, 2713260, 3255912, 3391575, 3699900, 4069890, 4522100, 5426520, 6783150, 7399800, 8139780, 9044200, 10174725, 13566300, 16279560, 20349450, 27132600, 40698900, 81397800]

約数ペア:

[(1, 81397800), (2, 40698900), (3, 27132600), (4, 20349450), (5, 16279560), (6, 13566300), (8, 10174725), (9, 9044200), (10, 8139780), (11, 7399800), (12, 6783150), (15, 5426520), (18, 4522100), (20, 4069890), (22, 3699900), (24, 3391575), (25, 3255912), (30, 2713260), (33, 2466600), (36, 2261050), (40, 2034945), (44, 1849950), (45, 1808840), (50, 1627956), (55, 1479960), (60, 1356630), (66, 1233300), (72, 1130525), (75, 1085304), (88, 924975), (90, 904420), (99, 822200), (100, 813978), (110, 739980), (120, 678315), (132, 616650), (150, 542652), (165, 493320), (180, 452210), (198, 411100), (200, 406989), (220, 369990), (225, 361768), (264, 308325), (275, 295992), (300, 271326), (330, 246660), (360, 226105), (396, 205550), (440, 184995), (450, 180884), (495, 164440), (550, 147996), (600, 135663), (660, 123330), (792, 102775), (825, 98664), (900, 90442), (990, 82220), (1100, 73998), (1320, 61665), (1650, 49332), (1800, 45221), (1980, 41110), (2200, 36999), (2475, 32888), (3300, 24666), (3960, 20555), (4111, 19800), (4950, 16444), (6600, 12333), (8222, 9900)]