279858480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 997436160

約数和(自身を除く): 717577680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 121, 132, 138, 165, 176, 184, 220, 230, 240, 242, 253, 264, 276, 330, 345, 363, 368, 419, 440, 460, 484, 506, 528, 552, 605, 660, 690, 726, 759, 838, 880, 920, 968, 1012, 1104, 1210, 1257, 1265, 1320, 1380, 1452, 1518, 1676, 1815, 1840, 1936, 2024, 2095, 2420, 2514, 2530, 2640, 2760, 2783, 2904, 3036, 3352, 3630, 3795, 4048, 4190, 4609, 4840, 5028, 5060, 5520, 5566, 5808, 6072, 6285, 6704, 7260, 7590, 8349, 8380, 9218, 9637, 9680, 10056, 10120, 11132, 12144, 12570, 13827, 13915, 14520, 15180, 16698, 16760, 18436, 19274, 20112, 20240, 22264, 23045, 25140, 27654, 27830, 28911, 29040, 30360, 33396, 33520, 36872, 38548, 41745, 44528, 46090, 48185, 50280, 50699, 55308, 55660, 57822, 60720, 66792, 69135, 73744, 77096, 83490, 92180, 96370, 100560, 101398, 106007, 110616, 111320, 115644, 133584, 138270, 144555, 152097, 154192, 166980, 184360, 192740, 202796, 212014, 221232, 222640, 231288, 253495, 276540, 289110, 304194, 318021, 333960, 368720, 385480, 405592, 424028, 462576, 506990, 530035, 553080, 578220, 608388, 636042, 667920, 760485, 770960, 811184, 848056, 1013980, 1060070, 1106160, 1156440, 1166077, 1216776, 1272084, 1520970, 1590105, 1696112, 2027960, 2120140, 2312880, 2332154, 2433552, 2544168, 3041940, 3180210, 3498231, 4055920, 4240280, 4664308, 5088336, 5830385, 6083880, 6360420, 6996462, 8480560, 9328616, 11660770, 12167760, 12720840, 13992924, 17491155, 18657232, 23321540, 25441680, 27985848, 34982310, 46643080, 55971696, 69964620, 93286160, 139929240, 279858480]

約数ペア:

[(1, 279858480), (2, 139929240), (3, 93286160), (4, 69964620), (5, 55971696), (6, 46643080), (8, 34982310), (10, 27985848), (11, 25441680), (12, 23321540), (15, 18657232), (16, 17491155), (20, 13992924), (22, 12720840), (23, 12167760), (24, 11660770), (30, 9328616), (33, 8480560), (40, 6996462), (44, 6360420), (46, 6083880), (48, 5830385), (55, 5088336), (60, 4664308), (66, 4240280), (69, 4055920), (80, 3498231), (88, 3180210), (92, 3041940), (110, 2544168), (115, 2433552), (120, 2332154), (121, 2312880), (132, 2120140), (138, 2027960), (165, 1696112), (176, 1590105), (184, 1520970), (220, 1272084), (230, 1216776), (240, 1166077), (242, 1156440), (253, 1106160), (264, 1060070), (276, 1013980), (330, 848056), (345, 811184), (363, 770960), (368, 760485), (419, 667920), (440, 636042), (460, 608388), (484, 578220), (506, 553080), (528, 530035), (552, 506990), (605, 462576), (660, 424028), (690, 405592), (726, 385480), (759, 368720), (838, 333960), (880, 318021), (920, 304194), (968, 289110), (1012, 276540), (1104, 253495), (1210, 231288), (1257, 222640), (1265, 221232), (1320, 212014), (1380, 202796), (1452, 192740), (1518, 184360), (1676, 166980), (1815, 154192), (1840, 152097), (1936, 144555), (2024, 138270), (2095, 133584), (2420, 115644), (2514, 111320), (2530, 110616), (2640, 106007), (2760, 101398), (2783, 100560), (2904, 96370), (3036, 92180), (3352, 83490), (3630, 77096), (3795, 73744), (4048, 69135), (4190, 66792), (4609, 60720), (4840, 57822), (5028, 55660), (5060, 55308), (5520, 50699), (5566, 50280), (5808, 48185), (6072, 46090), (6285, 44528), (6704, 41745), (7260, 38548), (7590, 36872), (8349, 33520), (8380, 33396), (9218, 30360), (9637, 29040), (9680, 28911), (10056, 27830), (10120, 27654), (11132, 25140), (12144, 23045), (12570, 22264), (13827, 20240), (13915, 20112), (14520, 19274), (15180, 18436), (16698, 16760)]