261360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2$

素因数の和:44

約数の個数: 120

約数和(自身を含む): 989520

約数和(自身を除く): 728160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 880, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1584, 1815, 1936, 1980, 2160, 2178, 2376, 2420, 2640, 2904, 2970, 3267, 3630, 3960, 4356, 4752, 4840, 5445, 5808, 5940, 6534, 7260, 7920, 8712, 9680, 10890, 11880, 13068, 14520, 16335, 17424, 21780, 23760, 26136, 29040, 32670, 43560, 52272, 65340, 87120, 130680, 261360]

約数ペア:

[(1, 261360), (2, 130680), (3, 87120), (4, 65340), (5, 52272), (6, 43560), (8, 32670), (9, 29040), (10, 26136), (11, 23760), (12, 21780), (15, 17424), (16, 16335), (18, 14520), (20, 13068), (22, 11880), (24, 10890), (27, 9680), (30, 8712), (33, 7920), (36, 7260), (40, 6534), (44, 5940), (45, 5808), (48, 5445), (54, 4840), (55, 4752), (60, 4356), (66, 3960), (72, 3630), (80, 3267), (88, 2970), (90, 2904), (99, 2640), (108, 2420), (110, 2376), (120, 2178), (121, 2160), (132, 1980), (135, 1936), (144, 1815), (165, 1584), (176, 1485), (180, 1452), (198, 1320), (216, 1210), (220, 1188), (240, 1089), (242, 1080), (264, 990), (270, 968), (297, 880), (330, 792), (360, 726), (363, 720), (396, 660), (432, 605), (440, 594), (484, 540), (495, 528)]