279116480

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 687872640

約数和(自身を除く): 408756160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 79, 80, 122, 158, 160, 181, 244, 305, 316, 320, 362, 395, 488, 610, 632, 724, 790, 905, 976, 1220, 1264, 1448, 1580, 1810, 1952, 2440, 2528, 2896, 3160, 3620, 3904, 4819, 4880, 5056, 5792, 6320, 7240, 9638, 9760, 11041, 11584, 12640, 14299, 14480, 19276, 19520, 22082, 24095, 25280, 28598, 28960, 38552, 44164, 48190, 55205, 57196, 57920, 71495, 77104, 88328, 96380, 110410, 114392, 142990, 154208, 176656, 192760, 220820, 228784, 285980, 308416, 353312, 385520, 441640, 457568, 571960, 706624, 771040, 872239, 883280, 915136, 1143920, 1542080, 1744478, 1766560, 2287840, 3488956, 3533120, 4361195, 4575680, 6977912, 8722390, 13955824, 17444780, 27911648, 34889560, 55823296, 69779120, 139558240, 279116480]

約数ペア:

[(1, 279116480), (2, 139558240), (4, 69779120), (5, 55823296), (8, 34889560), (10, 27911648), (16, 17444780), (20, 13955824), (32, 8722390), (40, 6977912), (61, 4575680), (64, 4361195), (79, 3533120), (80, 3488956), (122, 2287840), (158, 1766560), (160, 1744478), (181, 1542080), (244, 1143920), (305, 915136), (316, 883280), (320, 872239), (362, 771040), (395, 706624), (488, 571960), (610, 457568), (632, 441640), (724, 385520), (790, 353312), (905, 308416), (976, 285980), (1220, 228784), (1264, 220820), (1448, 192760), (1580, 176656), (1810, 154208), (1952, 142990), (2440, 114392), (2528, 110410), (2896, 96380), (3160, 88328), (3620, 77104), (3904, 71495), (4819, 57920), (4880, 57196), (5056, 55205), (5792, 48190), (6320, 44164), (7240, 38552), (9638, 28960), (9760, 28598), (11041, 25280), (11584, 24095), (12640, 22082), (14299, 19520), (14480, 19276)]