81192760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 212751360

約数和(自身を除く): 131558600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 71, 88, 92, 110, 113, 115, 142, 184, 220, 226, 230, 253, 284, 355, 440, 452, 460, 506, 565, 568, 710, 781, 904, 920, 1012, 1130, 1243, 1265, 1420, 1562, 1633, 2024, 2260, 2486, 2530, 2599, 2840, 3124, 3266, 3905, 4520, 4972, 5060, 5198, 6215, 6248, 6532, 7810, 8023, 8165, 9944, 10120, 10396, 12430, 12995, 13064, 15620, 16046, 16330, 17963, 20792, 24860, 25990, 28589, 31240, 32092, 32660, 35926, 40115, 49720, 51980, 57178, 64184, 65320, 71852, 80230, 88253, 89815, 103960, 114356, 142945, 143704, 160460, 176506, 179630, 184529, 228712, 285890, 320920, 353012, 359260, 369058, 441265, 571780, 706024, 718520, 738116, 882530, 922645, 1143560, 1476232, 1765060, 1845290, 2029819, 3530120, 3690580, 4059638, 7381160, 8119276, 10149095, 16238552, 20298190, 40596380, 81192760]

約数ペア:

[(1, 81192760), (2, 40596380), (4, 20298190), (5, 16238552), (8, 10149095), (10, 8119276), (11, 7381160), (20, 4059638), (22, 3690580), (23, 3530120), (40, 2029819), (44, 1845290), (46, 1765060), (55, 1476232), (71, 1143560), (88, 922645), (92, 882530), (110, 738116), (113, 718520), (115, 706024), (142, 571780), (184, 441265), (220, 369058), (226, 359260), (230, 353012), (253, 320920), (284, 285890), (355, 228712), (440, 184529), (452, 179630), (460, 176506), (506, 160460), (565, 143704), (568, 142945), (710, 114356), (781, 103960), (904, 89815), (920, 88253), (1012, 80230), (1130, 71852), (1243, 65320), (1265, 64184), (1420, 57178), (1562, 51980), (1633, 49720), (2024, 40115), (2260, 35926), (2486, 32660), (2530, 32092), (2599, 31240), (2840, 28589), (3124, 25990), (3266, 24860), (3905, 20792), (4520, 17963), (4972, 16330), (5060, 16046), (5198, 15620), (6215, 13064), (6248, 12995), (6532, 12430), (7810, 10396), (8023, 10120), (8165, 9944)]