291260360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 674956800

約数和(自身を除く): 383696440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 1220, 1511, 1580, 2440, 3022, 3160, 4819, 6044, 7555, 9638, 12088, 15110, 19276, 24095, 30220, 38552, 48190, 60440, 92171, 96380, 119369, 184342, 192760, 238738, 368684, 460855, 477476, 596845, 737368, 921710, 954952, 1193690, 1843420, 2387380, 3686840, 4774760, 7281509, 14563018, 29126036, 36407545, 58252072, 72815090, 145630180, 291260360]

約数ペア:

[(1, 291260360), (2, 145630180), (4, 72815090), (5, 58252072), (8, 36407545), (10, 29126036), (20, 14563018), (40, 7281509), (61, 4774760), (79, 3686840), (122, 2387380), (158, 1843420), (244, 1193690), (305, 954952), (316, 921710), (395, 737368), (488, 596845), (610, 477476), (632, 460855), (790, 368684), (1220, 238738), (1511, 192760), (1580, 184342), (2440, 119369), (3022, 96380), (3160, 92171), (4819, 60440), (6044, 48190), (7555, 38552), (9638, 30220), (12088, 24095), (15110, 19276)]