81154260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2454

約数の個数: 144

約数和(自身を含む): 284461632

約数和(自身を除く): 203307372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2411, 2805, 3060, 3366, 3740, 4822, 5610, 6732, 7233, 8415, 9644, 11220, 12055, 14466, 16830, 21699, 24110, 26521, 28932, 33660, 36165, 40987, 43398, 48220, 53042, 72330, 79563, 81974, 86796, 106084, 108495, 122961, 132605, 144660, 159126, 163948, 204935, 216990, 238689, 245922, 265210, 318252, 368883, 397815, 409870, 433980, 450857, 477378, 491844, 530420, 614805, 737766, 795630, 819740, 901714, 954756, 1193445, 1229610, 1352571, 1475532, 1591260, 1803428, 1844415, 2254285, 2386890, 2459220, 2705142, 3688830, 4057713, 4508570, 4773780, 5410284, 6762855, 7377660, 8115426, 9017140, 13525710, 16230852, 20288565, 27051420, 40577130, 81154260]

約数ペア:

[(1, 81154260), (2, 40577130), (3, 27051420), (4, 20288565), (5, 16230852), (6, 13525710), (9, 9017140), (10, 8115426), (11, 7377660), (12, 6762855), (15, 5410284), (17, 4773780), (18, 4508570), (20, 4057713), (22, 3688830), (30, 2705142), (33, 2459220), (34, 2386890), (36, 2254285), (44, 1844415), (45, 1803428), (51, 1591260), (55, 1475532), (60, 1352571), (66, 1229610), (68, 1193445), (85, 954756), (90, 901714), (99, 819740), (102, 795630), (110, 737766), (132, 614805), (153, 530420), (165, 491844), (170, 477378), (180, 450857), (187, 433980), (198, 409870), (204, 397815), (220, 368883), (255, 318252), (306, 265210), (330, 245922), (340, 238689), (374, 216990), (396, 204935), (495, 163948), (510, 159126), (561, 144660), (612, 132605), (660, 122961), (748, 108495), (765, 106084), (935, 86796), (990, 81974), (1020, 79563), (1122, 72330), (1530, 53042), (1683, 48220), (1870, 43398), (1980, 40987), (2244, 36165), (2411, 33660), (2805, 28932), (3060, 26521), (3366, 24110), (3740, 21699), (4822, 16830), (5610, 14466), (6732, 12055), (7233, 11220), (8415, 9644)]