15805478960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{42773}}^1$

素因数の和:42966

約数の個数: 80

約数和(自身を含む): 38188627200

約数和(自身を除く): 22383148240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 496, 596, 620, 745, 1192, 1240, 1490, 2384, 2480, 2980, 4619, 5960, 9238, 11920, 18476, 23095, 36952, 42773, 46190, 73904, 85546, 92380, 171092, 184760, 213865, 342184, 369520, 427730, 684368, 855460, 1325963, 1710920, 2651926, 3421840, 5303852, 6373177, 6629815, 10607704, 12746354, 13259630, 21215408, 25492708, 26519260, 31865885, 50985416, 53038520, 63731770, 101970832, 106077040, 127463540, 197568487, 254927080, 395136974, 509854160, 790273948, 987842435, 1580547896, 1975684870, 3161095792, 3951369740, 7902739480, 15805478960]

約数ペア:

[(1, 15805478960), (2, 7902739480), (4, 3951369740), (5, 3161095792), (8, 1975684870), (10, 1580547896), (16, 987842435), (20, 790273948), (31, 509854160), (40, 395136974), (62, 254927080), (80, 197568487), (124, 127463540), (149, 106077040), (155, 101970832), (248, 63731770), (298, 53038520), (310, 50985416), (496, 31865885), (596, 26519260), (620, 25492708), (745, 21215408), (1192, 13259630), (1240, 12746354), (1490, 10607704), (2384, 6629815), (2480, 6373177), (2980, 5303852), (4619, 3421840), (5960, 2651926), (9238, 1710920), (11920, 1325963), (18476, 855460), (23095, 684368), (36952, 427730), (42773, 369520), (46190, 342184), (73904, 213865), (85546, 184760), (92380, 171092)]