281415840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:619

約数の個数: 192

約数和(自身を含む): 950745600

約数和(自身を除く): 669329760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 76, 80, 95, 96, 114, 118, 120, 152, 160, 177, 190, 228, 236, 240, 285, 295, 304, 354, 380, 456, 472, 480, 523, 570, 590, 608, 708, 760, 885, 912, 944, 1046, 1121, 1140, 1180, 1416, 1520, 1569, 1770, 1824, 1888, 2092, 2242, 2280, 2360, 2615, 2832, 3040, 3138, 3363, 3540, 4184, 4484, 4560, 4720, 5230, 5605, 5664, 6276, 6726, 7080, 7845, 8368, 8968, 9120, 9440, 9937, 10460, 11210, 12552, 13452, 14160, 15690, 16736, 16815, 17936, 19874, 20920, 22420, 25104, 26904, 28320, 29811, 30857, 31380, 33630, 35872, 39748, 41840, 44840, 49685, 50208, 53808, 59622, 61714, 62760, 67260, 79496, 83680, 89680, 92571, 99370, 107616, 119244, 123428, 125520, 134520, 149055, 154285, 158992, 179360, 185142, 198740, 238488, 246856, 251040, 269040, 298110, 308570, 317984, 370284, 397480, 462855, 476976, 493712, 538080, 586283, 596220, 617140, 740568, 794960, 925710, 953952, 987424, 1172566, 1192440, 1234280, 1481136, 1589920, 1758849, 1851420, 2345132, 2384880, 2468560, 2931415, 2962272, 3517698, 3702840, 4690264, 4769760, 4937120, 5862830, 7035396, 7405680, 8794245, 9380528, 11725660, 14070792, 14811360, 17588490, 18761056, 23451320, 28141584, 35176980, 46902640, 56283168, 70353960, 93805280, 140707920, 281415840]

約数ペア:

[(1, 281415840), (2, 140707920), (3, 93805280), (4, 70353960), (5, 56283168), (6, 46902640), (8, 35176980), (10, 28141584), (12, 23451320), (15, 18761056), (16, 17588490), (19, 14811360), (20, 14070792), (24, 11725660), (30, 9380528), (32, 8794245), (38, 7405680), (40, 7035396), (48, 5862830), (57, 4937120), (59, 4769760), (60, 4690264), (76, 3702840), (80, 3517698), (95, 2962272), (96, 2931415), (114, 2468560), (118, 2384880), (120, 2345132), (152, 1851420), (160, 1758849), (177, 1589920), (190, 1481136), (228, 1234280), (236, 1192440), (240, 1172566), (285, 987424), (295, 953952), (304, 925710), (354, 794960), (380, 740568), (456, 617140), (472, 596220), (480, 586283), (523, 538080), (570, 493712), (590, 476976), (608, 462855), (708, 397480), (760, 370284), (885, 317984), (912, 308570), (944, 298110), (1046, 269040), (1121, 251040), (1140, 246856), (1180, 238488), (1416, 198740), (1520, 185142), (1569, 179360), (1770, 158992), (1824, 154285), (1888, 149055), (2092, 134520), (2242, 125520), (2280, 123428), (2360, 119244), (2615, 107616), (2832, 99370), (3040, 92571), (3138, 89680), (3363, 83680), (3540, 79496), (4184, 67260), (4484, 62760), (4560, 61714), (4720, 59622), (5230, 53808), (5605, 50208), (5664, 49685), (6276, 44840), (6726, 41840), (7080, 39748), (7845, 35872), (8368, 33630), (8968, 31380), (9120, 30857), (9440, 29811), (9937, 28320), (10460, 26904), (11210, 25104), (12552, 22420), (13452, 20920), (14160, 19874), (15690, 17936), (16736, 16815)]