15889280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 43256160

約数和(自身を除く): 27366880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 61, 64, 74, 80, 88, 110, 122, 128, 148, 160, 176, 185, 220, 244, 296, 305, 320, 352, 370, 407, 440, 488, 592, 610, 640, 671, 704, 740, 814, 880, 976, 1184, 1220, 1342, 1408, 1480, 1628, 1760, 1952, 2035, 2257, 2368, 2440, 2684, 2960, 3256, 3355, 3520, 3904, 4070, 4514, 4736, 4880, 5368, 5920, 6512, 6710, 7040, 7808, 8140, 9028, 9760, 10736, 11285, 11840, 13024, 13420, 16280, 18056, 19520, 21472, 22570, 23680, 24827, 26048, 26840, 32560, 36112, 39040, 42944, 45140, 49654, 52096, 53680, 65120, 72224, 85888, 90280, 99308, 107360, 124135, 130240, 144448, 180560, 198616, 214720, 248270, 260480, 288896, 361120, 397232, 429440, 496540, 722240, 794464, 993080, 1444480, 1588928, 1986160, 3177856, 3972320, 7944640, 15889280]

約数ペア:

[(1, 15889280), (2, 7944640), (4, 3972320), (5, 3177856), (8, 1986160), (10, 1588928), (11, 1444480), (16, 993080), (20, 794464), (22, 722240), (32, 496540), (37, 429440), (40, 397232), (44, 361120), (55, 288896), (61, 260480), (64, 248270), (74, 214720), (80, 198616), (88, 180560), (110, 144448), (122, 130240), (128, 124135), (148, 107360), (160, 99308), (176, 90280), (185, 85888), (220, 72224), (244, 65120), (296, 53680), (305, 52096), (320, 49654), (352, 45140), (370, 42944), (407, 39040), (440, 36112), (488, 32560), (592, 26840), (610, 26048), (640, 24827), (671, 23680), (704, 22570), (740, 21472), (814, 19520), (880, 18056), (976, 16280), (1184, 13420), (1220, 13024), (1342, 11840), (1408, 11285), (1480, 10736), (1628, 9760), (1760, 9028), (1952, 8140), (2035, 7808), (2257, 7040), (2368, 6710), (2440, 6512), (2684, 5920), (2960, 5368), (3256, 4880), (3355, 4736), (3520, 4514), (3904, 4070)]