81770040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6883}}^1$

素因数の和:6914

約数の個数: 128

約数和(自身を含む): 297388800

約数和(自身を除く): 215618760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 6883, 11880, 13766, 20649, 27532, 34415, 41298, 55064, 61947, 68830, 75713, 82596, 103245, 123894, 137660, 151426, 165192, 185841, 206490, 227139, 247788, 275320, 302852, 309735, 371682, 378565, 412980, 454278, 495576, 605704, 619470, 681417, 743364, 757130, 825960, 908556, 929205, 1135695, 1238940, 1362834, 1486728, 1514260, 1817112, 1858410, 2044251, 2271390, 2477880, 2725668, 3028520, 3407085, 3716820, 4088502, 4542780, 5451336, 6814170, 7433640, 8177004, 9085560, 10221255, 13628340, 16354008, 20442510, 27256680, 40885020, 81770040]

約数ペア:

[(1, 81770040), (2, 40885020), (3, 27256680), (4, 20442510), (5, 16354008), (6, 13628340), (8, 10221255), (9, 9085560), (10, 8177004), (11, 7433640), (12, 6814170), (15, 5451336), (18, 4542780), (20, 4088502), (22, 3716820), (24, 3407085), (27, 3028520), (30, 2725668), (33, 2477880), (36, 2271390), (40, 2044251), (44, 1858410), (45, 1817112), (54, 1514260), (55, 1486728), (60, 1362834), (66, 1238940), (72, 1135695), (88, 929205), (90, 908556), (99, 825960), (108, 757130), (110, 743364), (120, 681417), (132, 619470), (135, 605704), (165, 495576), (180, 454278), (198, 412980), (216, 378565), (220, 371682), (264, 309735), (270, 302852), (297, 275320), (330, 247788), (360, 227139), (396, 206490), (440, 185841), (495, 165192), (540, 151426), (594, 137660), (660, 123894), (792, 103245), (990, 82596), (1080, 75713), (1188, 68830), (1320, 61947), (1485, 55064), (1980, 41298), (2376, 34415), (2970, 27532), (3960, 20649), (5940, 13766), (6883, 11880)]